Home / 5,337,842.40-7,988,101.20-4,889,944.80

Finding the Fourth Proportional to 5,337,842.40, 7,988,101.20 and 4,889,944.80

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Solution

The fourth proportional to 5,337,842.40, 7,988,101.20 and 4,889,944.80 is: 7,317,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337,842.40 : 7,988,101.20 = 4,889,944.80 : x
  2. Step 2: Convert to fraction form
    5,337,842.40/7,988,101.20 = 4,889,944.80/x
  3. Step 3: Cross multiply
    5,337,842.40x = 7,988,101.20 × 4,889,944.80
  4. Step 4: Simplify right side
    5,337,842.40x = 39,061,373,924,813.76
  5. Step 5: Solve for x
    x = 39,061,373,924,813.76/5,337,842.40
  6. Step 6: Final answer
    x = 7,317,820.76

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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.