Home / 7,452,000.10-11,178,000.15-2,659,845.70

Finding the Fourth Proportional to 7,452,000.10, 11,178,000.15 and 2,659,845.70

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Solution

The fourth proportional to 7,452,000.10, 11,178,000.15 and 2,659,845.70 is: 3,989,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,000.10 : 11,178,000.15 = 2,659,845.70 : x
  2. Step 2: Convert to fraction form
    7,452,000.10/11,178,000.15 = 2,659,845.70/x
  3. Step 3: Cross multiply
    7,452,000.10x = 11,178,000.15 × 2,659,845.70
  4. Step 4: Simplify right side
    7,452,000.10x = 29,731,755,633,576.86
  5. Step 5: Solve for x
    x = 29,731,755,633,576.86/7,452,000.10
  6. Step 6: Final answer
    x = 3,989,768.55

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1.5x scale

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.