Home / 7,129,287.40-10,693,931.10-5,449,671.40

Finding the Fourth Proportional to 7,129,287.40, 10,693,931.10 and 5,449,671.40

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Solution

The fourth proportional to 7,129,287.40, 10,693,931.10 and 5,449,671.40 is: 8,174,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,287.40 : 10,693,931.10 = 5,449,671.40 : x
  2. Step 2: Convert to fraction form
    7,129,287.40/10,693,931.10 = 5,449,671.40/x
  3. Step 3: Cross multiply
    7,129,287.40x = 10,693,931.10 × 5,449,671.40
  4. Step 4: Simplify right side
    7,129,287.40x = 58,278,410,469,240.54
  5. Step 5: Solve for x
    x = 58,278,410,469,240.54/7,129,287.40
  6. Step 6: Final answer
    x = 8,174,507.10

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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.