Home / 18,385,445.16-27,573,728.13-8,144,642.70

Finding the Fourth Proportional to 18,385,445.16, 27,573,728.13 and 8,144,642.70

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Solution

The fourth proportional to 18,385,445.16, 27,573,728.13 and 8,144,642.70 is: 12,214,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385,445.16 : 27,573,728.13 = 8,144,642.70 : x
  2. Step 2: Convert to fraction form
    18,385,445.16/27,573,728.13 = 8,144,642.70/x
  3. Step 3: Cross multiply
    18,385,445.16x = 27,573,728.13 × 8,144,642.70
  4. Step 4: Simplify right side
    18,385,445.16x = 224,578,163,525,789.16
  5. Step 5: Solve for x
    x = 224,578,163,525,789.16/18,385,445.16
  6. Step 6: Final answer
    x = 12,214,997.33

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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.