Home / 13,542,152.90-20,314,770.08-4,910,318.78

Finding the Fourth Proportional to 13,542,152.90, 20,314,770.08 and 4,910,318.78

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Solution

The fourth proportional to 13,542,152.90, 20,314,770.08 and 4,910,318.78 is: 7,366,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,152.90 : 20,314,770.08 = 4,910,318.78 : x
  2. Step 2: Convert to fraction form
    13,542,152.90/20,314,770.08 = 4,910,318.78/x
  3. Step 3: Cross multiply
    13,542,152.90x = 20,314,770.08 × 4,910,318.78
  4. Step 4: Simplify right side
    13,542,152.90x = 99,751,996,909,080.66
  5. Step 5: Solve for x
    x = 99,751,996,909,080.66/13,542,152.90
  6. Step 6: Final answer
    x = 7,366,036.82

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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.