Home / 8,375,442.30-12,563,163.45-7,525,136.70

Finding the Fourth Proportional to 8,375,442.30, 12,563,163.45 and 7,525,136.70

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Solution

The fourth proportional to 8,375,442.30, 12,563,163.45 and 7,525,136.70 is: 11,287,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,442.30 : 12,563,163.45 = 7,525,136.70 : x
  2. Step 2: Convert to fraction form
    8,375,442.30/12,563,163.45 = 7,525,136.70/x
  3. Step 3: Cross multiply
    8,375,442.30x = 12,563,163.45 × 7,525,136.70
  4. Step 4: Simplify right side
    8,375,442.30x = 94,539,522,345,693.61
  5. Step 5: Solve for x
    x = 94,539,522,345,693.61/8,375,442.30
  6. Step 6: Final answer
    x = 11,287,705.05

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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.