Home / 7,160,222.13-9,881,316.36-3,897,248.20

Finding the Fourth Proportional to 7,160,222.13, 9,881,316.36 and 3,897,248.20

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Solution

The fourth proportional to 7,160,222.13, 9,881,316.36 and 3,897,248.20 is: 5,378,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,222.13 : 9,881,316.36 = 3,897,248.20 : x
  2. Step 2: Convert to fraction form
    7,160,222.13/9,881,316.36 = 3,897,248.20/x
  3. Step 3: Cross multiply
    7,160,222.13x = 9,881,316.36 × 3,897,248.20
  4. Step 4: Simplify right side
    7,160,222.13x = 38,509,942,372,937.26
  5. Step 5: Solve for x
    x = 38,509,942,372,937.26/7,160,222.13
  6. Step 6: Final answer
    x = 5,378,316.72

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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.