Home / 13,188,000.70-19,782,001.05-9,954,739.90

Finding the Fourth Proportional to 13,188,000.70, 19,782,001.05 and 9,954,739.90

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Solution

The fourth proportional to 13,188,000.70, 19,782,001.05 and 9,954,739.90 is: 14,932,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,000.70 : 19,782,001.05 = 9,954,739.90 : x
  2. Step 2: Convert to fraction form
    13,188,000.70/19,782,001.05 = 9,954,739.90/x
  3. Step 3: Cross multiply
    13,188,000.70x = 19,782,001.05 × 9,954,739.90
  4. Step 4: Simplify right side
    13,188,000.70x = 196,924,675,154,276.91
  5. Step 5: Solve for x
    x = 196,924,675,154,276.91/13,188,000.70
  6. Step 6: Final answer
    x = 14,932,109.85

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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.