Home / 7,149,849.40-10,718,731.86-3,103,276.60

Finding the Fourth Proportional to 7,149,849.40, 10,718,731.86 and 3,103,276.60

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Solution

The fourth proportional to 7,149,849.40, 10,718,731.86 and 3,103,276.60 is: 4,652,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,849.40 : 10,718,731.86 = 3,103,276.60 : x
  2. Step 2: Convert to fraction form
    7,149,849.40/10,718,731.86 = 3,103,276.60/x
  3. Step 3: Cross multiply
    7,149,849.40x = 10,718,731.86 × 3,103,276.60
  4. Step 4: Simplify right side
    7,149,849.40x = 33,263,189,762,812.48
  5. Step 5: Solve for x
    x = 33,263,189,762,812.48/7,149,849.40
  6. Step 6: Final answer
    x = 4,652,292.36

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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.