Home / 13,931,175.29-20,898,424.82-6,737,540.09

Finding the Fourth Proportional to 13,931,175.29, 20,898,424.82 and 6,737,540.09

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Solution

The fourth proportional to 13,931,175.29, 20,898,424.82 and 6,737,540.09 is: 10,107,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931,175.29 : 20,898,424.82 = 6,737,540.09 : x
  2. Step 2: Convert to fraction form
    13,931,175.29/20,898,424.82 = 6,737,540.09/x
  3. Step 3: Cross multiply
    13,931,175.29x = 20,898,424.82 × 6,737,540.09
  4. Step 4: Simplify right side
    13,931,175.29x = 140,803,974,954,952.78
  5. Step 5: Solve for x
    x = 140,803,974,954,952.78/13,931,175.29
  6. Step 6: Final answer
    x = 10,107,113.87

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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.