Home / 12,429,720.94-17,153,877-7,535,149.34

Finding the Fourth Proportional to 12,429,720.94, 17,153,877 and 7,535,149.34

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Solution

The fourth proportional to 12,429,720.94, 17,153,877 and 7,535,149.34 is: 10,399,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,720.94 : 17,153,877 = 7,535,149.34 : x
  2. Step 2: Convert to fraction form
    12,429,720.94/17,153,877 = 7,535,149.34/x
  3. Step 3: Cross multiply
    12,429,720.94x = 17,153,877 × 7,535,149.34
  4. Step 4: Simplify right side
    12,429,720.94x = 129,257,024,954,991.17
  5. Step 5: Solve for x
    x = 129,257,024,954,991.17/12,429,720.94
  6. Step 6: Final answer
    x = 10,399,028.71

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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.