Home / 13,432,933.70-20,149,400.55-7,750,232.90

Finding the Fourth Proportional to 13,432,933.70, 20,149,400.55 and 7,750,232.90

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Solution

The fourth proportional to 13,432,933.70, 20,149,400.55 and 7,750,232.90 is: 11,625,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,933.70 : 20,149,400.55 = 7,750,232.90 : x
  2. Step 2: Convert to fraction form
    13,432,933.70/20,149,400.55 = 7,750,232.90/x
  3. Step 3: Cross multiply
    13,432,933.70x = 20,149,400.55 × 7,750,232.90
  4. Step 4: Simplify right side
    13,432,933.70x = 156,162,547,057,888.09
  5. Step 5: Solve for x
    x = 156,162,547,057,888.09/13,432,933.70
  6. Step 6: Final answer
    x = 11,625,349.35

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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.