Home / 12,134,803.90-18,202,205.85-10,917,082.30

Finding the Fourth Proportional to 12,134,803.90, 18,202,205.85 and 10,917,082.30

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Solution

The fourth proportional to 12,134,803.90, 18,202,205.85 and 10,917,082.30 is: 16,375,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,803.90 : 18,202,205.85 = 10,917,082.30 : x
  2. Step 2: Convert to fraction form
    12,134,803.90/18,202,205.85 = 10,917,082.30/x
  3. Step 3: Cross multiply
    12,134,803.90x = 18,202,205.85 × 10,917,082.30
  4. Step 4: Simplify right side
    12,134,803.90x = 198,714,979,305,991.50
  5. Step 5: Solve for x
    x = 198,714,979,305,991.50/12,134,803.90
  6. Step 6: Final answer
    x = 16,375,623.45

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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.