Home / 20,452,488.60-30,678,732.90-9,690,808.35

Finding the Fourth Proportional to 20,452,488.60, 30,678,732.90 and 9,690,808.35

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Solution

The fourth proportional to 20,452,488.60, 30,678,732.90 and 9,690,808.35 is: 14,536,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452,488.60 : 30,678,732.90 = 9,690,808.35 : x
  2. Step 2: Convert to fraction form
    20,452,488.60/30,678,732.90 = 9,690,808.35/x
  3. Step 3: Cross multiply
    20,452,488.60x = 30,678,732.90 × 9,690,808.35
  4. Step 4: Simplify right side
    20,452,488.60x = 297,301,720,954,739.69
  5. Step 5: Solve for x
    x = 297,301,720,954,739.69/20,452,488.60
  6. Step 6: Final answer
    x = 14,536,212.53

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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.