Home / 15,048,129.27-20,767,699.15-8,522,919.53

Finding the Fourth Proportional to 15,048,129.27, 20,767,699.15 and 8,522,919.53

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Solution

The fourth proportional to 15,048,129.27, 20,767,699.15 and 8,522,919.53 is: 11,762,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,129.27 : 20,767,699.15 = 8,522,919.53 : x
  2. Step 2: Convert to fraction form
    15,048,129.27/20,767,699.15 = 8,522,919.53/x
  3. Step 3: Cross multiply
    15,048,129.27x = 20,767,699.15 × 8,522,919.53
  4. Step 4: Simplify right side
    15,048,129.27x = 177,001,428,631,432.50
  5. Step 5: Solve for x
    x = 177,001,428,631,432.50/15,048,129.27
  6. Step 6: Final answer
    x = 11,762,354.34

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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.