Home / 13,486,580.70-20,229,871.05-9,376,770.30

Finding the Fourth Proportional to 13,486,580.70, 20,229,871.05 and 9,376,770.30

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Solution

The fourth proportional to 13,486,580.70, 20,229,871.05 and 9,376,770.30 is: 14,065,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,580.70 : 20,229,871.05 = 9,376,770.30 : x
  2. Step 2: Convert to fraction form
    13,486,580.70/20,229,871.05 = 9,376,770.30/x
  3. Step 3: Cross multiply
    13,486,580.70x = 20,229,871.05 × 9,376,770.30
  4. Step 4: Simplify right side
    13,486,580.70x = 189,690,854,034,469.84
  5. Step 5: Solve for x
    x = 189,690,854,034,469.84/13,486,580.70
  6. Step 6: Final answer
    x = 14,065,155.45

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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.