Home / 18,121,274.10-25,007,349.24-9,972,512.10

Finding the Fourth Proportional to 18,121,274.10, 25,007,349.24 and 9,972,512.10

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Solution

The fourth proportional to 18,121,274.10, 25,007,349.24 and 9,972,512.10 is: 13,762,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,274.10 : 25,007,349.24 = 9,972,512.10 : x
  2. Step 2: Convert to fraction form
    18,121,274.10/25,007,349.24 = 9,972,512.10/x
  3. Step 3: Cross multiply
    18,121,274.10x = 25,007,349.24 × 9,972,512.10
  4. Step 4: Simplify right side
    18,121,274.10x = 249,386,092,884,825.78
  5. Step 5: Solve for x
    x = 249,386,092,884,825.78/18,121,274.10
  6. Step 6: Final answer
    x = 13,762,061.74

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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.