Home / 12,456,502.65-18,684,753.98-10,440,963.45

Finding the Fourth Proportional to 12,456,502.65, 18,684,753.98 and 10,440,963.45

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Solution

The fourth proportional to 12,456,502.65, 18,684,753.98 and 10,440,963.45 is: 15,661,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,502.65 : 18,684,753.98 = 10,440,963.45 : x
  2. Step 2: Convert to fraction form
    12,456,502.65/18,684,753.98 = 10,440,963.45/x
  3. Step 3: Cross multiply
    12,456,502.65x = 18,684,753.98 × 10,440,963.45
  4. Step 4: Simplify right side
    12,456,502.65x = 195,086,833,325,217.22
  5. Step 5: Solve for x
    x = 195,086,833,325,217.22/12,456,502.65
  6. Step 6: Final answer
    x = 15,661,445.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.