Home / 8,920,775.73-12,309,905.85-4,947,174.43

Finding the Fourth Proportional to 8,920,775.73, 12,309,905.85 and 4,947,174.43

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Solution

The fourth proportional to 8,920,775.73, 12,309,905.85 and 4,947,174.43 is: 6,826,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,775.73 : 12,309,905.85 = 4,947,174.43 : x
  2. Step 2: Convert to fraction form
    8,920,775.73/12,309,905.85 = 4,947,174.43/x
  3. Step 3: Cross multiply
    8,920,775.73x = 12,309,905.85 × 4,947,174.43
  4. Step 4: Simplify right side
    8,920,775.73x = 60,899,251,407,500.75
  5. Step 5: Solve for x
    x = 60,899,251,407,500.75/8,920,775.73
  6. Step 6: Final answer
    x = 6,826,676.65

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1.5x scale

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.