Home / 7,160,869.17-9,882,208.44-3,897,894.33

Finding the Fourth Proportional to 7,160,869.17, 9,882,208.44 and 3,897,894.33

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Solution

The fourth proportional to 7,160,869.17, 9,882,208.44 and 3,897,894.33 is: 5,379,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,869.17 : 9,882,208.44 = 3,897,894.33 : x
  2. Step 2: Convert to fraction form
    7,160,869.17/9,882,208.44 = 3,897,894.33/x
  3. Step 3: Cross multiply
    7,160,869.17x = 9,882,208.44 × 3,897,894.33
  4. Step 4: Simplify right side
    7,160,869.17x = 38,519,804,246,154.14
  5. Step 5: Solve for x
    x = 38,519,804,246,154.14/7,160,869.17
  6. Step 6: Final answer
    x = 5,379,207.93

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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.