Home / 13,721,385.72-20,585,050.74-4,135,962.36

Finding the Fourth Proportional to 13,721,385.72, 20,585,050.74 and 4,135,962.36

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Solution

The fourth proportional to 13,721,385.72, 20,585,050.74 and 4,135,962.36 is: 6,204,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,385.72 : 20,585,050.74 = 4,135,962.36 : x
  2. Step 2: Convert to fraction form
    13,721,385.72/20,585,050.74 = 4,135,962.36/x
  3. Step 3: Cross multiply
    13,721,385.72x = 20,585,050.74 × 4,135,962.36
  4. Step 4: Simplify right side
    13,721,385.72x = 85,138,995,039,330.14
  5. Step 5: Solve for x
    x = 85,138,995,039,330.14/13,721,385.72
  6. Step 6: Final answer
    x = 6,204,839.42

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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.