Home / 7,152,836.92-9,871,174.62-4,097,641.72

Finding the Fourth Proportional to 7,152,836.92, 9,871,174.62 and 4,097,641.72

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Solution

The fourth proportional to 7,152,836.92, 9,871,174.62 and 4,097,641.72 is: 5,654,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,836.92 : 9,871,174.62 = 4,097,641.72 : x
  2. Step 2: Convert to fraction form
    7,152,836.92/9,871,174.62 = 4,097,641.72/x
  3. Step 3: Cross multiply
    7,152,836.92x = 9,871,174.62 × 4,097,641.72
  4. Step 4: Simplify right side
    7,152,836.92x = 40,448,536,948,317.15
  5. Step 5: Solve for x
    x = 40,448,536,948,317.15/7,152,836.92
  6. Step 6: Final answer
    x = 5,654,894.33

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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.