Home / 7,160,249.19-9,881,360.88-3,897,299.86

Finding the Fourth Proportional to 7,160,249.19, 9,881,360.88 and 3,897,299.86

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Solution

The fourth proportional to 7,160,249.19, 9,881,360.88 and 3,897,299.86 is: 5,378,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,249.19 : 9,881,360.88 = 3,897,299.86 : x
  2. Step 2: Convert to fraction form
    7,160,249.19/9,881,360.88 = 3,897,299.86/x
  3. Step 3: Cross multiply
    7,160,249.19x = 9,881,360.88 × 3,897,299.86
  4. Step 4: Simplify right side
    7,160,249.19x = 38,510,626,423,381.33
  5. Step 5: Solve for x
    x = 38,510,626,423,381.33/7,160,249.19
  6. Step 6: Final answer
    x = 5,378,391.93

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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.