Home / 7,160,954.16-9,882,326.76-3,897,981.72

Finding the Fourth Proportional to 7,160,954.16, 9,882,326.76 and 3,897,981.72

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Solution

The fourth proportional to 7,160,954.16, 9,882,326.76 and 3,897,981.72 is: 5,379,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,954.16 : 9,882,326.76 = 3,897,981.72 : x
  2. Step 2: Convert to fraction form
    7,160,954.16/9,882,326.76 = 3,897,981.72/x
  3. Step 3: Cross multiply
    7,160,954.16x = 9,882,326.76 × 3,897,981.72
  4. Step 4: Simplify right side
    7,160,954.16x = 38,521,129,061,546.83
  5. Step 5: Solve for x
    x = 38,521,129,061,546.83/7,160,954.16
  6. Step 6: Final answer
    x = 5,379,329.10

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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.