Home / 7,272,218.80-10,035,729.84-4,009,150.70

Finding the Fourth Proportional to 7,272,218.80, 10,035,729.84 and 4,009,150.70

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Solution

The fourth proportional to 7,272,218.80, 10,035,729.84 and 4,009,150.70 is: 5,532,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,218.80 : 10,035,729.84 = 4,009,150.70 : x
  2. Step 2: Convert to fraction form
    7,272,218.80/10,035,729.84 = 4,009,150.70/x
  3. Step 3: Cross multiply
    7,272,218.80x = 10,035,729.84 × 4,009,150.70
  4. Step 4: Simplify right side
    7,272,218.80x = 40,234,753,313,046.89
  5. Step 5: Solve for x
    x = 40,234,753,313,046.89/7,272,218.80
  6. Step 6: Final answer
    x = 5,532,665.40

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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.