Home / 8,092,885.20-12,139,327.80-7,719,637.20

Finding the Fourth Proportional to 8,092,885.20, 12,139,327.80 and 7,719,637.20

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Solution

The fourth proportional to 8,092,885.20, 12,139,327.80 and 7,719,637.20 is: 11,579,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,885.20 : 12,139,327.80 = 7,719,637.20 : x
  2. Step 2: Convert to fraction form
    8,092,885.20/12,139,327.80 = 7,719,637.20/x
  3. Step 3: Cross multiply
    8,092,885.20x = 12,139,327.80 × 7,719,637.20
  4. Step 4: Simplify right side
    8,092,885.20x = 93,711,206,467,874.17
  5. Step 5: Solve for x
    x = 93,711,206,467,874.17/8,092,885.20
  6. Step 6: Final answer
    x = 11,579,455.80

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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.