Home / 7,160,555.52-9,881,607.69-3,897,362.34

Finding the Fourth Proportional to 7,160,555.52, 9,881,607.69 and 3,897,362.34

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Solution

The fourth proportional to 7,160,555.52, 9,881,607.69 and 3,897,362.34 is: 5,378,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,555.52 : 9,881,607.69 = 3,897,362.34 : x
  2. Step 2: Convert to fraction form
    7,160,555.52/9,881,607.69 = 3,897,362.34/x
  3. Step 3: Cross multiply
    7,160,555.52x = 9,881,607.69 × 3,897,362.34
  4. Step 4: Simplify right side
    7,160,555.52x = 38,512,205,669,660.39
  5. Step 5: Solve for x
    x = 38,512,205,669,660.39/7,160,555.52
  6. Step 6: Final answer
    x = 5,378,382.38

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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.