Home / 7,173,510.04-10,752,791.28-3,128,911.84

Finding the Fourth Proportional to 7,173,510.04, 10,752,791.28 and 3,128,911.84

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Solution

The fourth proportional to 7,173,510.04, 10,752,791.28 and 3,128,911.84 is: 4,690,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,510.04 : 10,752,791.28 = 3,128,911.84 : x
  2. Step 2: Convert to fraction form
    7,173,510.04/10,752,791.28 = 3,128,911.84/x
  3. Step 3: Cross multiply
    7,173,510.04x = 10,752,791.28 × 3,128,911.84
  4. Step 4: Simplify right side
    7,173,510.04x = 33,644,535,949,040.75
  5. Step 5: Solve for x
    x = 33,644,535,949,040.75/7,173,510.04
  6. Step 6: Final answer
    x = 4,690,107.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.