Home / 14,213,520.14-19,614,657.80-7,687,149.61

Finding the Fourth Proportional to 14,213,520.14, 19,614,657.80 and 7,687,149.61

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Solution

The fourth proportional to 14,213,520.14, 19,614,657.80 and 7,687,149.61 is: 10,608,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213,520.14 : 19,614,657.80 = 7,687,149.61 : x
  2. Step 2: Convert to fraction form
    14,213,520.14/19,614,657.80 = 7,687,149.61/x
  3. Step 3: Cross multiply
    14,213,520.14x = 19,614,657.80 × 7,687,149.61
  4. Step 4: Simplify right side
    14,213,520.14x = 150,780,809,027,734.69
  5. Step 5: Solve for x
    x = 150,780,809,027,734.69/14,213,520.14
  6. Step 6: Final answer
    x = 10,608,266.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.