Home / 12,882,823.72-17,786,857.58-9,897,209.62

Finding the Fourth Proportional to 12,882,823.72, 17,786,857.58 and 9,897,209.62

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Solution

The fourth proportional to 12,882,823.72, 17,786,857.58 and 9,897,209.62 is: 13,664,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,823.72 : 17,786,857.58 = 9,897,209.62 : x
  2. Step 2: Convert to fraction form
    12,882,823.72/17,786,857.58 = 9,897,209.62/x
  3. Step 3: Cross multiply
    12,882,823.72x = 17,786,857.58 × 9,897,209.62
  4. Step 4: Simplify right side
    12,882,823.72x = 176,040,257,811,925.59
  5. Step 5: Solve for x
    x = 176,040,257,811,925.59/12,882,823.72
  6. Step 6: Final answer
    x = 13,664,726.13

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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.