Home / 15,442,689.53-21,302,057.54-9,631,382.15

Finding the Fourth Proportional to 15,442,689.53, 21,302,057.54 and 9,631,382.15

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Solution

The fourth proportional to 15,442,689.53, 21,302,057.54 and 9,631,382.15 is: 13,285,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,689.53 : 21,302,057.54 = 9,631,382.15 : x
  2. Step 2: Convert to fraction form
    15,442,689.53/21,302,057.54 = 9,631,382.15/x
  3. Step 3: Cross multiply
    15,442,689.53x = 21,302,057.54 × 9,631,382.15
  4. Step 4: Simplify right side
    15,442,689.53x = 205,168,256,666,597.06
  5. Step 5: Solve for x
    x = 205,168,256,666,597.06/15,442,689.53
  6. Step 6: Final answer
    x = 13,285,785.25

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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.