Home / 8,045,125.20-12,067,687.80-5,494,208.40

Finding the Fourth Proportional to 8,045,125.20, 12,067,687.80 and 5,494,208.40

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Solution

The fourth proportional to 8,045,125.20, 12,067,687.80 and 5,494,208.40 is: 8,241,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,125.20 : 12,067,687.80 = 5,494,208.40 : x
  2. Step 2: Convert to fraction form
    8,045,125.20/12,067,687.80 = 5,494,208.40/x
  3. Step 3: Cross multiply
    8,045,125.20x = 12,067,687.80 × 5,494,208.40
  4. Step 4: Simplify right side
    8,045,125.20x = 66,302,391,679,337.53
  5. Step 5: Solve for x
    x = 66,302,391,679,337.53/8,045,125.20
  6. Step 6: Final answer
    x = 8,241,312.60

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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.