Home / 13,780,077.60-20,656,221.36-8,666,162.32

Finding the Fourth Proportional to 13,780,077.60, 20,656,221.36 and 8,666,162.32

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Solution

The fourth proportional to 13,780,077.60, 20,656,221.36 and 8,666,162.32 is: 12,990,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,077.60 : 20,656,221.36 = 8,666,162.32 : x
  2. Step 2: Convert to fraction form
    13,780,077.60/20,656,221.36 = 8,666,162.32/x
  3. Step 3: Cross multiply
    13,780,077.60x = 20,656,221.36 × 8,666,162.32
  4. Step 4: Simplify right side
    13,780,077.60x = 179,010,167,223,611.16
  5. Step 5: Solve for x
    x = 179,010,167,223,611.16/13,780,077.60
  6. Step 6: Final answer
    x = 12,990,505.02

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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.