Home / 6,281,199.80-9,421,799.70-5,253,747.20

Finding the Fourth Proportional to 6,281,199.80, 9,421,799.70 and 5,253,747.20

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Solution

The fourth proportional to 6,281,199.80, 9,421,799.70 and 5,253,747.20 is: 7,880,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281,199.80 : 9,421,799.70 = 5,253,747.20 : x
  2. Step 2: Convert to fraction form
    6,281,199.80/9,421,799.70 = 5,253,747.20/x
  3. Step 3: Cross multiply
    6,281,199.80x = 9,421,799.70 × 5,253,747.20
  4. Step 4: Simplify right side
    6,281,199.80x = 49,499,753,792,835.84
  5. Step 5: Solve for x
    x = 49,499,753,792,835.84/6,281,199.80
  6. Step 6: Final answer
    x = 7,880,620.80

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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.