Home / 21,876,601.59-30,190,318.92-12,087,676.40

Finding the Fourth Proportional to 21,876,601.59, 30,190,318.92 and 12,087,676.40

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Solution

The fourth proportional to 21,876,601.59, 30,190,318.92 and 12,087,676.40 is: 16,681,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876,601.59 : 30,190,318.92 = 12,087,676.40 : x
  2. Step 2: Convert to fraction form
    21,876,601.59/30,190,318.92 = 12,087,676.40/x
  3. Step 3: Cross multiply
    21,876,601.59x = 30,190,318.92 × 12,087,676.40
  4. Step 4: Simplify right side
    21,876,601.59x = 364,930,805,366,805.88
  5. Step 5: Solve for x
    x = 364,930,805,366,805.88/21,876,601.59
  6. Step 6: Final answer
    x = 16,681,329.77

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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.