Home / 13,132,835.35-19,711,207.14-6,989,974.23

Finding the Fourth Proportional to 13,132,835.35, 19,711,207.14 and 6,989,974.23

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Solution

The fourth proportional to 13,132,835.35, 19,711,207.14 and 6,989,974.23 is: 10,491,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,835.35 : 19,711,207.14 = 6,989,974.23 : x
  2. Step 2: Convert to fraction form
    13,132,835.35/19,711,207.14 = 6,989,974.23/x
  3. Step 3: Cross multiply
    13,132,835.35x = 19,711,207.14 × 6,989,974.23
  4. Step 4: Simplify right side
    13,132,835.35x = 137,780,829,926,939.69
  5. Step 5: Solve for x
    x = 137,780,829,926,939.69/13,132,835.35
  6. Step 6: Final answer
    x = 10,491,323.94

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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.