Home / 12,074,541.30-18,111,811.95-10,880,147.70

Finding the Fourth Proportional to 12,074,541.30, 18,111,811.95 and 10,880,147.70

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Solution

The fourth proportional to 12,074,541.30, 18,111,811.95 and 10,880,147.70 is: 16,320,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,541.30 : 18,111,811.95 = 10,880,147.70 : x
  2. Step 2: Convert to fraction form
    12,074,541.30/18,111,811.95 = 10,880,147.70/x
  3. Step 3: Cross multiply
    12,074,541.30x = 18,111,811.95 × 10,880,147.70
  4. Step 4: Simplify right side
    12,074,541.30x = 197,059,189,130,625
  5. Step 5: Solve for x
    x = 197,059,189,130,625/12,074,541.30
  6. Step 6: Final answer
    x = 16,320,221.55

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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.