Home / 51,652,542.40-71,283,732.16-28,447,663.20

Finding the Fourth Proportional to 51,652,542.40, 71,283,732.16 and 28,447,663.20

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Solution

The fourth proportional to 51,652,542.40, 71,283,732.16 and 28,447,663.20 is: 39,259,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,652,542.40 : 71,283,732.16 = 28,447,663.20 : x
  2. Step 2: Convert to fraction form
    51,652,542.40/71,283,732.16 = 28,447,663.20/x
  3. Step 3: Cross multiply
    51,652,542.40x = 71,283,732.16 × 28,447,663.20
  4. Step 4: Simplify right side
    51,652,542.40x = 2,027,855,604,126,688.25
  5. Step 5: Solve for x
    x = 2,027,855,604,126,688.25/51,652,542.40
  6. Step 6: Final answer
    x = 39,259,550.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.