Home / 13,943,953.70-20,957,920.95-12,096,376.10

Finding the Fourth Proportional to 13,943,953.70, 20,957,920.95 and 12,096,376.10

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Solution

The fourth proportional to 13,943,953.70, 20,957,920.95 and 12,096,376.10 is: 18,180,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,953.70 : 20,957,920.95 = 12,096,376.10 : x
  2. Step 2: Convert to fraction form
    13,943,953.70/20,957,920.95 = 12,096,376.10/x
  3. Step 3: Cross multiply
    13,943,953.70x = 20,957,920.95 × 12,096,376.10
  4. Step 4: Simplify right side
    13,943,953.70x = 253,514,894,085,269.28
  5. Step 5: Solve for x
    x = 253,514,894,085,269.28/13,943,953.70
  6. Step 6: Final answer
    x = 18,180,990.81

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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.