Home / 20,452,476.60-30,678,714.90-9,690,796.35

Finding the Fourth Proportional to 20,452,476.60, 30,678,714.90 and 9,690,796.35

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Solution

The fourth proportional to 20,452,476.60, 30,678,714.90 and 9,690,796.35 is: 14,536,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452,476.60 : 30,678,714.90 = 9,690,796.35 : x
  2. Step 2: Convert to fraction form
    20,452,476.60/30,678,714.90 = 9,690,796.35/x
  3. Step 3: Cross multiply
    20,452,476.60x = 30,678,714.90 × 9,690,796.35
  4. Step 4: Simplify right side
    20,452,476.60x = 297,301,178,375,610.56
  5. Step 5: Solve for x
    x = 297,301,178,375,610.56/20,452,476.60
  6. Step 6: Final answer
    x = 14,536,194.53

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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.