Home / 18,124,456.53-25,011,748.62-9,864,578.04

Finding the Fourth Proportional to 18,124,456.53, 25,011,748.62 and 9,864,578.04

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Solution

The fourth proportional to 18,124,456.53, 25,011,748.62 and 9,864,578.04 is: 13,613,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,456.53 : 25,011,748.62 = 9,864,578.04 : x
  2. Step 2: Convert to fraction form
    18,124,456.53/25,011,748.62 = 9,864,578.04/x
  3. Step 3: Cross multiply
    18,124,456.53x = 25,011,748.62 × 9,864,578.04
  4. Step 4: Simplify right side
    18,124,456.53x = 246,730,346,155,403.81
  5. Step 5: Solve for x
    x = 246,730,346,155,403.81/18,124,456.53
  6. Step 6: Final answer
    x = 13,613,116.94

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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.