Home / 8,679,519.90-13,021,353.45-4,188,102.30

Finding the Fourth Proportional to 8,679,519.90, 13,021,353.45 and 4,188,102.30

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Solution

The fourth proportional to 8,679,519.90, 13,021,353.45 and 4,188,102.30 is: 6,283,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,519.90 : 13,021,353.45 = 4,188,102.30 : x
  2. Step 2: Convert to fraction form
    8,679,519.90/13,021,353.45 = 4,188,102.30/x
  3. Step 3: Cross multiply
    8,679,519.90x = 13,021,353.45 × 4,188,102.30
  4. Step 4: Simplify right side
    8,679,519.90x = 54,534,760,333,057.93
  5. Step 5: Solve for x
    x = 54,534,760,333,057.93/8,679,519.90
  6. Step 6: Final answer
    x = 6,283,154.02

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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.