Home / 18,125,826.40-27,188,739.60-10,959,464.80

Finding the Fourth Proportional to 18,125,826.40, 27,188,739.60 and 10,959,464.80

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Solution

The fourth proportional to 18,125,826.40, 27,188,739.60 and 10,959,464.80 is: 16,439,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,826.40 : 27,188,739.60 = 10,959,464.80 : x
  2. Step 2: Convert to fraction form
    18,125,826.40/27,188,739.60 = 10,959,464.80/x
  3. Step 3: Cross multiply
    18,125,826.40x = 27,188,739.60 × 10,959,464.80
  4. Step 4: Simplify right side
    18,125,826.40x = 297,974,034,602,566.12
  5. Step 5: Solve for x
    x = 297,974,034,602,566.12/18,125,826.40
  6. Step 6: Final answer
    x = 16,439,197.20

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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.