Home / 10,109,912.80-15,164,869.20-6,708,690.40

Finding the Fourth Proportional to 10,109,912.80, 15,164,869.20 and 6,708,690.40

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Solution

The fourth proportional to 10,109,912.80, 15,164,869.20 and 6,708,690.40 is: 10,063,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,912.80 : 15,164,869.20 = 6,708,690.40 : x
  2. Step 2: Convert to fraction form
    10,109,912.80/15,164,869.20 = 6,708,690.40/x
  3. Step 3: Cross multiply
    10,109,912.80x = 15,164,869.20 × 6,708,690.40
  4. Step 4: Simplify right side
    10,109,912.80x = 101,736,412,419,295.69
  5. Step 5: Solve for x
    x = 101,736,412,419,295.69/10,109,912.80
  6. Step 6: Final answer
    x = 10,063,035.60

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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.