Home / 18,601,778.88-25,671,011.04-10,228,713.76

Finding the Fourth Proportional to 18,601,778.88, 25,671,011.04 and 10,228,713.76

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Solution

The fourth proportional to 18,601,778.88, 25,671,011.04 and 10,228,713.76 is: 14,115,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,778.88 : 25,671,011.04 = 10,228,713.76 : x
  2. Step 2: Convert to fraction form
    18,601,778.88/25,671,011.04 = 10,228,713.76/x
  3. Step 3: Cross multiply
    18,601,778.88x = 25,671,011.04 × 10,228,713.76
  4. Step 4: Simplify right side
    18,601,778.88x = 262,581,423,857,959.91
  5. Step 5: Solve for x
    x = 262,581,423,857,959.91/18,601,778.88
  6. Step 6: Final answer
    x = 14,115,930.82

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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.