Home / 7,152,815.68-9,871,145.20-4,097,620.42

Finding the Fourth Proportional to 7,152,815.68, 9,871,145.20 and 4,097,620.42

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Solution

The fourth proportional to 7,152,815.68, 9,871,145.20 and 4,097,620.42 is: 5,654,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,815.68 : 9,871,145.20 = 4,097,620.42 : x
  2. Step 2: Convert to fraction form
    7,152,815.68/9,871,145.20 = 4,097,620.42/x
  3. Step 3: Cross multiply
    7,152,815.68x = 9,871,145.20 × 4,097,620.42
  4. Step 4: Simplify right side
    7,152,815.68x = 40,448,206,140,304.98
  5. Step 5: Solve for x
    x = 40,448,206,140,304.98/7,152,815.68
  6. Step 6: Final answer
    x = 5,654,864.87

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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.