Home / 15,465,385.17-21,339,858.96-8,937,754.02

Finding the Fourth Proportional to 15,465,385.17, 21,339,858.96 and 8,937,754.02

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Solution

The fourth proportional to 15,465,385.17, 21,339,858.96 and 8,937,754.02 is: 12,332,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465,385.17 : 21,339,858.96 = 8,937,754.02 : x
  2. Step 2: Convert to fraction form
    15,465,385.17/21,339,858.96 = 8,937,754.02/x
  3. Step 3: Cross multiply
    15,465,385.17x = 21,339,858.96 × 8,937,754.02
  4. Step 4: Simplify right side
    15,465,385.17x = 190,730,410,205,973.03
  5. Step 5: Solve for x
    x = 190,730,410,205,973.03/15,465,385.17
  6. Step 6: Final answer
    x = 12,332,729.39

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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.