Home / 13,577,989.80-20,366,984.70-3,994,337.10

Finding the Fourth Proportional to 13,577,989.80, 20,366,984.70 and 3,994,337.10

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Solution

The fourth proportional to 13,577,989.80, 20,366,984.70 and 3,994,337.10 is: 5,991,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577,989.80 : 20,366,984.70 = 3,994,337.10 : x
  2. Step 2: Convert to fraction form
    13,577,989.80/20,366,984.70 = 3,994,337.10/x
  3. Step 3: Cross multiply
    13,577,989.80x = 20,366,984.70 × 3,994,337.10
  4. Step 4: Simplify right side
    13,577,989.80x = 81,352,602,602,342.38
  5. Step 5: Solve for x
    x = 81,352,602,602,342.38/13,577,989.80
  6. Step 6: Final answer
    x = 5,991,505.65

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Similar ratio
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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.