Home / 10,598,982.70-15,898,474.05-9,780,169.90

Finding the Fourth Proportional to 10,598,982.70, 15,898,474.05 and 9,780,169.90

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Solution

The fourth proportional to 10,598,982.70, 15,898,474.05 and 9,780,169.90 is: 14,670,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,982.70 : 15,898,474.05 = 9,780,169.90 : x
  2. Step 2: Convert to fraction form
    10,598,982.70/15,898,474.05 = 9,780,169.90/x
  3. Step 3: Cross multiply
    10,598,982.70x = 15,898,474.05 × 9,780,169.90
  4. Step 4: Simplify right side
    10,598,982.70x = 155,489,777,359,741.09
  5. Step 5: Solve for x
    x = 155,489,777,359,741.09/10,598,982.70
  6. Step 6: Final answer
    x = 14,670,254.85

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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.