Home / 13,132,834.40-19,711,205.72-6,989,973.29

Finding the Fourth Proportional to 13,132,834.40, 19,711,205.72 and 6,989,973.29

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Solution

The fourth proportional to 13,132,834.40, 19,711,205.72 and 6,989,973.29 is: 10,491,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,834.40 : 19,711,205.72 = 6,989,973.29 : x
  2. Step 2: Convert to fraction form
    13,132,834.40/19,711,205.72 = 6,989,973.29/x
  3. Step 3: Cross multiply
    13,132,834.40x = 19,711,205.72 × 6,989,973.29
  4. Step 4: Simplify right side
    13,132,834.40x = 137,780,801,362,989.33
  5. Step 5: Solve for x
    x = 137,780,801,362,989.33/13,132,834.40
  6. Step 6: Final answer
    x = 10,491,322.53

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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.