Home / 30,520,997.55-45,781,496.33-10,326,239.55

Finding the Fourth Proportional to 30,520,997.55, 45,781,496.33 and 10,326,239.55

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Solution

The fourth proportional to 30,520,997.55, 45,781,496.33 and 10,326,239.55 is: 15,489,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,520,997.55 : 45,781,496.33 = 10,326,239.55 : x
  2. Step 2: Convert to fraction form
    30,520,997.55/45,781,496.33 = 10,326,239.55/x
  3. Step 3: Cross multiply
    30,520,997.55x = 45,781,496.33 × 10,326,239.55
  4. Step 4: Simplify right side
    30,520,997.55x = 472,750,698,009,394.69
  5. Step 5: Solve for x
    x = 472,750,698,009,394.69/30,520,997.55
  6. Step 6: Final answer
    x = 15,489,359.33

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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.