Home / 18,487,619.30-25,513,670.13-10,227,541.73

Finding the Fourth Proportional to 18,487,619.30, 25,513,670.13 and 10,227,541.73

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Solution

The fourth proportional to 18,487,619.30, 25,513,670.13 and 10,227,541.73 is: 14,114,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,619.30 : 25,513,670.13 = 10,227,541.73 : x
  2. Step 2: Convert to fraction form
    18,487,619.30/25,513,670.13 = 10,227,541.73/x
  3. Step 3: Cross multiply
    18,487,619.30x = 25,513,670.13 × 10,227,541.73
  4. Step 4: Simplify right side
    18,487,619.30x = 260,942,125,812,461.16
  5. Step 5: Solve for x
    x = 260,942,125,812,461.16/18,487,619.30
  6. Step 6: Final answer
    x = 14,114,425.53

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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.