Home / 18,218,807.10-27,310,714.65-10,534,563.90

Finding the Fourth Proportional to 18,218,807.10, 27,310,714.65 and 10,534,563.90

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Solution

The fourth proportional to 18,218,807.10, 27,310,714.65 and 10,534,563.90 is: 15,791,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,807.10 : 27,310,714.65 = 10,534,563.90 : x
  2. Step 2: Convert to fraction form
    18,218,807.10/27,310,714.65 = 10,534,563.90/x
  3. Step 3: Cross multiply
    18,218,807.10x = 27,310,714.65 × 10,534,563.90
  4. Step 4: Simplify right side
    18,218,807.10x = 287,706,468,635,091.12
  5. Step 5: Solve for x
    x = 287,706,468,635,091.12/18,218,807.10
  6. Step 6: Final answer
    x = 15,791,729.23

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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.