Home / 7,160,355.54-9,881,371.17-3,897,190.98

Finding the Fourth Proportional to 7,160,355.54, 9,881,371.17 and 3,897,190.98

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Solution

The fourth proportional to 7,160,355.54, 9,881,371.17 and 3,897,190.98 is: 5,378,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,355.54 : 9,881,371.17 = 3,897,190.98 : x
  2. Step 2: Convert to fraction form
    7,160,355.54/9,881,371.17 = 3,897,190.98/x
  3. Step 3: Cross multiply
    7,160,355.54x = 9,881,371.17 × 3,897,190.98
  4. Step 4: Simplify right side
    7,160,355.54x = 38,509,590,593,756.05
  5. Step 5: Solve for x
    x = 38,509,590,593,756.05/7,160,355.54
  6. Step 6: Final answer
    x = 5,378,167.38

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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.