Home / 15,744,099.20-21,727,276.80-8,868,171.20

Finding the Fourth Proportional to 15,744,099.20, 21,727,276.80 and 8,868,171.20

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Solution

The fourth proportional to 15,744,099.20, 21,727,276.80 and 8,868,171.20 is: 12,238,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744,099.20 : 21,727,276.80 = 8,868,171.20 : x
  2. Step 2: Convert to fraction form
    15,744,099.20/21,727,276.80 = 8,868,171.20/x
  3. Step 3: Cross multiply
    15,744,099.20x = 21,727,276.80 × 8,868,171.20
  4. Step 4: Simplify right side
    15,744,099.20x = 192,681,210,372,188.16
  5. Step 5: Solve for x
    x = 192,681,210,372,188.16/15,744,099.20
  6. Step 6: Final answer
    x = 12,238,312.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.