Home / 7,652,928.20-10,561,787.40-5,715,827.24

Finding the Fourth Proportional to 7,652,928.20, 10,561,787.40 and 5,715,827.24

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Solution

The fourth proportional to 7,652,928.20, 10,561,787.40 and 5,715,827.24 is: 7,888,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652,928.20 : 10,561,787.40 = 5,715,827.24 : x
  2. Step 2: Convert to fraction form
    7,652,928.20/10,561,787.40 = 5,715,827.24/x
  3. Step 3: Cross multiply
    7,652,928.20x = 10,561,787.40 × 5,715,827.24
  4. Step 4: Simplify right side
    7,652,928.20x = 60,369,352,124,008.78
  5. Step 5: Solve for x
    x = 60,369,352,124,008.78/7,652,928.20
  6. Step 6: Final answer
    x = 7,888,399.13

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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.