Home / 10,120,374.78-15,156,237.26-5,789,294.66

Finding the Fourth Proportional to 10,120,374.78, 15,156,237.26 and 5,789,294.66

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Solution

The fourth proportional to 10,120,374.78, 15,156,237.26 and 5,789,294.66 is: 8,670,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,374.78 : 15,156,237.26 = 5,789,294.66 : x
  2. Step 2: Convert to fraction form
    10,120,374.78/15,156,237.26 = 5,789,294.66/x
  3. Step 3: Cross multiply
    10,120,374.78x = 15,156,237.26 × 5,789,294.66
  4. Step 4: Simplify right side
    10,120,374.78x = 87,743,923,373,703.08
  5. Step 5: Solve for x
    x = 87,743,923,373,703.08/10,120,374.78
  6. Step 6: Final answer
    x = 8,670,027.08

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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.