Home / 14,520,057.40-21,780,086.10-13,386,316.60

Finding the Fourth Proportional to 14,520,057.40, 21,780,086.10 and 13,386,316.60

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Solution

The fourth proportional to 14,520,057.40, 21,780,086.10 and 13,386,316.60 is: 20,079,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,057.40 : 21,780,086.10 = 13,386,316.60 : x
  2. Step 2: Convert to fraction form
    14,520,057.40/21,780,086.10 = 13,386,316.60/x
  3. Step 3: Cross multiply
    14,520,057.40x = 21,780,086.10 × 13,386,316.60
  4. Step 4: Simplify right side
    14,520,057.40x = 291,555,128,109,859.25
  5. Step 5: Solve for x
    x = 291,555,128,109,859.25/14,520,057.40
  6. Step 6: Final answer
    x = 20,079,474.90

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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.