Home / 13,687,587.92-20,528,765.56-4,102,967.44

Finding the Fourth Proportional to 13,687,587.92, 20,528,765.56 and 4,102,967.44

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Solution

The fourth proportional to 13,687,587.92, 20,528,765.56 and 4,102,967.44 is: 6,153,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,587.92 : 20,528,765.56 = 4,102,967.44 : x
  2. Step 2: Convert to fraction form
    13,687,587.92/20,528,765.56 = 4,102,967.44/x
  3. Step 3: Cross multiply
    13,687,587.92x = 20,528,765.56 × 4,102,967.44
  4. Step 4: Simplify right side
    13,687,587.92x = 84,228,856,676,073.36
  5. Step 5: Solve for x
    x = 84,228,856,676,073.36/13,687,587.92
  6. Step 6: Final answer
    x = 6,153,666.90

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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.