Home / 8,622,043.28-12,918,424.39-5,203,146.00

Finding the Fourth Proportional to 8,622,043.28, 12,918,424.39 and 5,203,146.00

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Solution

The fourth proportional to 8,622,043.28, 12,918,424.39 and 5,203,146.00 is: 7,795,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,043.28 : 12,918,424.39 = 5,203,146.00 : x
  2. Step 2: Convert to fraction form
    8,622,043.28/12,918,424.39 = 5,203,146.00/x
  3. Step 3: Cross multiply
    8,622,043.28x = 12,918,424.39 × 5,203,146.00
  4. Step 4: Simplify right side
    8,622,043.28x = 67,216,448,226,567.16
  5. Step 5: Solve for x
    x = 67,216,448,226,567.16/8,622,043.28
  6. Step 6: Final answer
    x = 7,795,883.88

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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.