Home / 7,160,529.96-9,881,572.44-3,897,336.90

Finding the Fourth Proportional to 7,160,529.96, 9,881,572.44 and 3,897,336.90

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Solution

The fourth proportional to 7,160,529.96, 9,881,572.44 and 3,897,336.90 is: 5,378,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,529.96 : 9,881,572.44 = 3,897,336.90 : x
  2. Step 2: Convert to fraction form
    7,160,529.96/9,881,572.44 = 3,897,336.90/x
  3. Step 3: Cross multiply
    7,160,529.96x = 9,881,572.44 × 3,897,336.90
  4. Step 4: Simplify right side
    7,160,529.96x = 38,511,816,900,435.03
  5. Step 5: Solve for x
    x = 38,511,816,900,435.03/7,160,529.96
  6. Step 6: Final answer
    x = 5,378,347.29

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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.