Home / 7,160,356.04-9,881,371.86-3,897,191.48

Finding the Fourth Proportional to 7,160,356.04, 9,881,371.86 and 3,897,191.48

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Solution

The fourth proportional to 7,160,356.04, 9,881,371.86 and 3,897,191.48 is: 5,378,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,356.04 : 9,881,371.86 = 3,897,191.48 : x
  2. Step 2: Convert to fraction form
    7,160,356.04/9,881,371.86 = 3,897,191.48/x
  3. Step 3: Cross multiply
    7,160,356.04x = 9,881,371.86 × 3,897,191.48
  4. Step 4: Simplify right side
    7,160,356.04x = 38,509,598,223,503.75
  5. Step 5: Solve for x
    x = 38,509,598,223,503.75/7,160,356.04
  6. Step 6: Final answer
    x = 5,378,168.07

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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.