Home / 13,731,046.40-20,620,189.20-9,715,714.40

Finding the Fourth Proportional to 13,731,046.40, 20,620,189.20 and 9,715,714.40

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Solution

The fourth proportional to 13,731,046.40, 20,620,189.20 and 9,715,714.40 is: 14,590,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,046.40 : 20,620,189.20 = 9,715,714.40 : x
  2. Step 2: Convert to fraction form
    13,731,046.40/20,620,189.20 = 9,715,714.40/x
  3. Step 3: Cross multiply
    13,731,046.40x = 20,620,189.20 × 9,715,714.40
  4. Step 4: Simplify right side
    13,731,046.40x = 200,339,869,141,164.47
  5. Step 5: Solve for x
    x = 200,339,869,141,164.47/13,731,046.40
  6. Step 6: Final answer
    x = 14,590,284.19

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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.