Home / 8,690,432.40-13,041,869.40-4,899,891.60

Finding the Fourth Proportional to 8,690,432.40, 13,041,869.40 and 4,899,891.60

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Solution

The fourth proportional to 8,690,432.40, 13,041,869.40 and 4,899,891.60 is: 7,353,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,432.40 : 13,041,869.40 = 4,899,891.60 : x
  2. Step 2: Convert to fraction form
    8,690,432.40/13,041,869.40 = 4,899,891.60/x
  3. Step 3: Cross multiply
    8,690,432.40x = 13,041,869.40 × 4,899,891.60
  4. Step 4: Simplify right side
    8,690,432.40x = 63,903,746,321,357.04
  5. Step 5: Solve for x
    x = 63,903,746,321,357.04/8,690,432.40
  6. Step 6: Final answer
    x = 7,353,344.85

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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.