Home / 9,546,731.18-13,141,215.15-8,320,906.70

Finding the Fourth Proportional to 9,546,731.18, 13,141,215.15 and 8,320,906.70

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Solution

The fourth proportional to 9,546,731.18, 13,141,215.15 and 8,320,906.70 is: 11,453,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,546,731.18 : 13,141,215.15 = 8,320,906.70 : x
  2. Step 2: Convert to fraction form
    9,546,731.18/13,141,215.15 = 8,320,906.70/x
  3. Step 3: Cross multiply
    9,546,731.18x = 13,141,215.15 × 8,320,906.70
  4. Step 4: Simplify right side
    9,546,731.18x = 109,346,825,187,776.52
  5. Step 5: Solve for x
    x = 109,346,825,187,776.52/9,546,731.18
  6. Step 6: Final answer
    x = 11,453,849.82

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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.