Home / 14,221,081.42-19,625,079.68-8,027,431.82

Finding the Fourth Proportional to 14,221,081.42, 19,625,079.68 and 8,027,431.82

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Solution

The fourth proportional to 14,221,081.42, 19,625,079.68 and 8,027,431.82 is: 11,077,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221,081.42 : 19,625,079.68 = 8,027,431.82 : x
  2. Step 2: Convert to fraction form
    14,221,081.42/19,625,079.68 = 8,027,431.82/x
  3. Step 3: Cross multiply
    14,221,081.42x = 19,625,079.68 × 8,027,431.82
  4. Step 4: Simplify right side
    14,221,081.42x = 157,538,989,093,267.41
  5. Step 5: Solve for x
    x = 157,538,989,093,267.41/14,221,081.42
  6. Step 6: Final answer
    x = 11,077,848.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.