Home / 8,137,902.40-11,239,625.88-5,359,446

Finding the Fourth Proportional to 8,137,902.40, 11,239,625.88 and 5,359,446

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Solution

The fourth proportional to 8,137,902.40, 11,239,625.88 and 5,359,446 is: 7,402,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,902.40 : 11,239,625.88 = 5,359,446 : x
  2. Step 2: Convert to fraction form
    8,137,902.40/11,239,625.88 = 5,359,446/x
  3. Step 3: Cross multiply
    8,137,902.40x = 11,239,625.88 × 5,359,446
  4. Step 4: Simplify right side
    8,137,902.40x = 60,238,167,964,062.48
  5. Step 5: Solve for x
    x = 60,238,167,964,062.48/8,137,902.40
  6. Step 6: Final answer
    x = 7,402,173.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.