Home / 12,591,710.60-18,887,565.90-10,072,286.60

Finding the Fourth Proportional to 12,591,710.60, 18,887,565.90 and 10,072,286.60

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Solution

The fourth proportional to 12,591,710.60, 18,887,565.90 and 10,072,286.60 is: 15,108,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,710.60 : 18,887,565.90 = 10,072,286.60 : x
  2. Step 2: Convert to fraction form
    12,591,710.60/18,887,565.90 = 10,072,286.60/x
  3. Step 3: Cross multiply
    12,591,710.60x = 18,887,565.90 × 10,072,286.60
  4. Step 4: Simplify right side
    12,591,710.60x = 190,240,976,921,186.91
  5. Step 5: Solve for x
    x = 190,240,976,921,186.91/12,591,710.60
  6. Step 6: Final answer
    x = 15,108,429.90

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1.5x scale

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.