Home / 7,487,778.60-10,330,363.62-4,910,889.96

Finding the Fourth Proportional to 7,487,778.60, 10,330,363.62 and 4,910,889.96

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Solution

The fourth proportional to 7,487,778.60, 10,330,363.62 and 4,910,889.96 is: 6,775,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,778.60 : 10,330,363.62 = 4,910,889.96 : x
  2. Step 2: Convert to fraction form
    7,487,778.60/10,330,363.62 = 4,910,889.96/x
  3. Step 3: Cross multiply
    7,487,778.60x = 10,330,363.62 × 4,910,889.96
  4. Step 4: Simplify right side
    7,487,778.60x = 50,731,278,984,607.25
  5. Step 5: Solve for x
    x = 50,731,278,984,607.25/7,487,778.60
  6. Step 6: Final answer
    x = 6,775,210.87

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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.