Home / 7,160,612.40-9,881,888.88-3,897,546.96

Finding the Fourth Proportional to 7,160,612.40, 9,881,888.88 and 3,897,546.96

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Solution

The fourth proportional to 7,160,612.40, 9,881,888.88 and 3,897,546.96 is: 5,378,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,612.40 : 9,881,888.88 = 3,897,546.96 : x
  2. Step 2: Convert to fraction form
    7,160,612.40/9,881,888.88 = 3,897,546.96/x
  3. Step 3: Cross multiply
    7,160,612.40x = 9,881,888.88 × 3,897,546.96
  4. Step 4: Simplify right side
    7,160,612.40x = 38,515,125,963,301.80
  5. Step 5: Solve for x
    x = 38,515,125,963,301.80/7,160,612.40
  6. Step 6: Final answer
    x = 5,378,747.49

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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.