Home / 18,129,415.20-27,225,615.60-9,626,359.20

Finding the Fourth Proportional to 18,129,415.20, 27,225,615.60 and 9,626,359.20

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Solution

The fourth proportional to 18,129,415.20, 27,225,615.60 and 9,626,359.20 is: 14,456,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129,415.20 : 27,225,615.60 = 9,626,359.20 : x
  2. Step 2: Convert to fraction form
    18,129,415.20/27,225,615.60 = 9,626,359.20/x
  3. Step 3: Cross multiply
    18,129,415.20x = 27,225,615.60 × 9,626,359.20
  4. Step 4: Simplify right side
    18,129,415.20x = 262,083,555,206,723.50
  5. Step 5: Solve for x
    x = 262,083,555,206,723.50/18,129,415.20
  6. Step 6: Final answer
    x = 14,456,260.85

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1.5x scale

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.