Home / 18,208,062.74-25,126,832.51-9,947,947.23

Finding the Fourth Proportional to 18,208,062.74, 25,126,832.51 and 9,947,947.23

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Solution

The fourth proportional to 18,208,062.74, 25,126,832.51 and 9,947,947.23 is: 13,728,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,062.74 : 25,126,832.51 = 9,947,947.23 : x
  2. Step 2: Convert to fraction form
    18,208,062.74/25,126,832.51 = 9,947,947.23/x
  3. Step 3: Cross multiply
    18,208,062.74x = 25,126,832.51 × 9,947,947.23
  4. Step 4: Simplify right side
    18,208,062.74x = 249,960,403,691,154.53
  5. Step 5: Solve for x
    x = 249,960,403,691,154.53/18,208,062.74
  6. Step 6: Final answer
    x = 13,728,006.50

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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.