Home / 12,593,990.16-17,379,505.80-7,012,182.96

Finding the Fourth Proportional to 12,593,990.16, 17,379,505.80 and 7,012,182.96

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Solution

The fourth proportional to 12,593,990.16, 17,379,505.80 and 7,012,182.96 is: 9,676,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593,990.16 : 17,379,505.80 = 7,012,182.96 : x
  2. Step 2: Convert to fraction form
    12,593,990.16/17,379,505.80 = 7,012,182.96/x
  3. Step 3: Cross multiply
    12,593,990.16x = 17,379,505.80 × 7,012,182.96
  4. Step 4: Simplify right side
    12,593,990.16x = 121,868,274,423,981.17
  5. Step 5: Solve for x
    x = 121,868,274,423,981.17/12,593,990.16
  6. Step 6: Final answer
    x = 9,676,700.78

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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.