Home / 12,051,012.10-18,094,232.85-8,472,642.70

Finding the Fourth Proportional to 12,051,012.10, 18,094,232.85 and 8,472,642.70

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Solution

The fourth proportional to 12,051,012.10, 18,094,232.85 and 8,472,642.70 is: 12,721,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,012.10 : 18,094,232.85 = 8,472,642.70 : x
  2. Step 2: Convert to fraction form
    12,051,012.10/18,094,232.85 = 8,472,642.70/x
  3. Step 3: Cross multiply
    12,051,012.10x = 18,094,232.85 × 8,472,642.70
  4. Step 4: Simplify right side
    12,051,012.10x = 153,305,969,868,652.69
  5. Step 5: Solve for x
    x = 153,305,969,868,652.69/12,051,012.10
  6. Step 6: Final answer
    x = 12,721,418.63

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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.