Home / 18,456,479.10-27,684,718.65-9,847,134.90

Finding the Fourth Proportional to 18,456,479.10, 27,684,718.65 and 9,847,134.90

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Solution

The fourth proportional to 18,456,479.10, 27,684,718.65 and 9,847,134.90 is: 14,770,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,479.10 : 27,684,718.65 = 9,847,134.90 : x
  2. Step 2: Convert to fraction form
    18,456,479.10/27,684,718.65 = 9,847,134.90/x
  3. Step 3: Cross multiply
    18,456,479.10x = 27,684,718.65 × 9,847,134.90
  4. Step 4: Simplify right side
    18,456,479.10x = 272,615,159,215,095.88
  5. Step 5: Solve for x
    x = 272,615,159,215,095.88/18,456,479.10
  6. Step 6: Final answer
    x = 14,770,702.35

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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.