Home / 18,569,164.74-25,625,540.17-11,603,886.85

Finding the Fourth Proportional to 18,569,164.74, 25,625,540.17 and 11,603,886.85

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Solution

The fourth proportional to 18,569,164.74, 25,625,540.17 and 11,603,886.85 is: 16,013,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,164.74 : 25,625,540.17 = 11,603,886.85 : x
  2. Step 2: Convert to fraction form
    18,569,164.74/25,625,540.17 = 11,603,886.85/x
  3. Step 3: Cross multiply
    18,569,164.74x = 25,625,540.17 × 11,603,886.85
  4. Step 4: Simplify right side
    18,569,164.74x = 297,355,868,602,809.75
  5. Step 5: Solve for x
    x = 297,355,868,602,809.75/18,569,164.74
  6. Step 6: Final answer
    x = 16,013,421.86

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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.