Home / 30,521,004.30-45,781,506.45-10,326,246.30

Finding the Fourth Proportional to 30,521,004.30, 45,781,506.45 and 10,326,246.30

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Solution

The fourth proportional to 30,521,004.30, 45,781,506.45 and 10,326,246.30 is: 15,489,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,004.30 : 45,781,506.45 = 10,326,246.30 : x
  2. Step 2: Convert to fraction form
    30,521,004.30/45,781,506.45 = 10,326,246.30/x
  3. Step 3: Cross multiply
    30,521,004.30x = 45,781,506.45 × 10,326,246.30
  4. Step 4: Simplify right side
    30,521,004.30x = 472,751,111,587,738.69
  5. Step 5: Solve for x
    x = 472,751,111,587,738.69/30,521,004.30
  6. Step 6: Final answer
    x = 15,489,369.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.