Home / 18,231,783.17-25,159,656.93-9,972,082.76

Finding the Fourth Proportional to 18,231,783.17, 25,159,656.93 and 9,972,082.76

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Solution

The fourth proportional to 18,231,783.17, 25,159,656.93 and 9,972,082.76 is: 13,761,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,783.17 : 25,159,656.93 = 9,972,082.76 : x
  2. Step 2: Convert to fraction form
    18,231,783.17/25,159,656.93 = 9,972,082.76/x
  3. Step 3: Cross multiply
    18,231,783.17x = 25,159,656.93 × 9,972,082.76
  4. Step 4: Simplify right side
    18,231,783.17x = 250,894,181,119,167.53
  5. Step 5: Solve for x
    x = 250,894,181,119,167.53/18,231,783.17
  6. Step 6: Final answer
    x = 13,761,362.71

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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.