Home / 13,486,580.20-20,229,870.30-9,376,769.80

Finding the Fourth Proportional to 13,486,580.20, 20,229,870.30 and 9,376,769.80

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Solution

The fourth proportional to 13,486,580.20, 20,229,870.30 and 9,376,769.80 is: 14,065,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,580.20 : 20,229,870.30 = 9,376,769.80 : x
  2. Step 2: Convert to fraction form
    13,486,580.20/20,229,870.30 = 9,376,769.80/x
  3. Step 3: Cross multiply
    13,486,580.20x = 20,229,870.30 × 9,376,769.80
  4. Step 4: Simplify right side
    13,486,580.20x = 189,690,836,886,956.97
  5. Step 5: Solve for x
    x = 189,690,836,886,956.97/13,486,580.20
  6. Step 6: Final answer
    x = 14,065,154.70

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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.