Home / 5,445,586.80-8,168,380.20-4,857,721.20

Finding the Fourth Proportional to 5,445,586.80, 8,168,380.20 and 4,857,721.20

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Solution

The fourth proportional to 5,445,586.80, 8,168,380.20 and 4,857,721.20 is: 7,286,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445,586.80 : 8,168,380.20 = 4,857,721.20 : x
  2. Step 2: Convert to fraction form
    5,445,586.80/8,168,380.20 = 4,857,721.20/x
  3. Step 3: Cross multiply
    5,445,586.80x = 8,168,380.20 × 4,857,721.20
  4. Step 4: Simplify right side
    5,445,586.80x = 39,679,713,667,200.24
  5. Step 5: Solve for x
    x = 39,679,713,667,200.24/5,445,586.80
  6. Step 6: Final answer
    x = 7,286,581.80

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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.