Home / 7,111,390.90-10,667,086.35-5,221,822.90

Finding the Fourth Proportional to 7,111,390.90, 10,667,086.35 and 5,221,822.90

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Solution

The fourth proportional to 7,111,390.90, 10,667,086.35 and 5,221,822.90 is: 7,832,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,390.90 : 10,667,086.35 = 5,221,822.90 : x
  2. Step 2: Convert to fraction form
    7,111,390.90/10,667,086.35 = 5,221,822.90/x
  3. Step 3: Cross multiply
    7,111,390.90x = 10,667,086.35 × 5,221,822.90
  4. Step 4: Simplify right side
    7,111,390.90x = 55,701,635,778,707.41
  5. Step 5: Solve for x
    x = 55,701,635,778,707.41/7,111,390.90
  6. Step 6: Final answer
    x = 7,832,734.35

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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.