Home / 15,170,215.96-22,752,355.11-12,627,762.85

Finding the Fourth Proportional to 15,170,215.96, 22,752,355.11 and 12,627,762.85

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Solution

The fourth proportional to 15,170,215.96, 22,752,355.11 and 12,627,762.85 is: 18,939,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,215.96 : 22,752,355.11 = 12,627,762.85 : x
  2. Step 2: Convert to fraction form
    15,170,215.96/22,752,355.11 = 12,627,762.85/x
  3. Step 3: Cross multiply
    15,170,215.96x = 22,752,355.11 × 12,627,762.85
  4. Step 4: Simplify right side
    15,170,215.96x = 287,311,344,608,065.62
  5. Step 5: Solve for x
    x = 287,311,344,608,065.62/15,170,215.96
  6. Step 6: Final answer
    x = 18,939,173.01

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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.