Home / 13,991,137.07-20,970,785.90-8,514,152.17

Finding the Fourth Proportional to 13,991,137.07, 20,970,785.90 and 8,514,152.17

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Solution

The fourth proportional to 13,991,137.07, 20,970,785.90 and 8,514,152.17 is: 12,761,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,137.07 : 20,970,785.90 = 8,514,152.17 : x
  2. Step 2: Convert to fraction form
    13,991,137.07/20,970,785.90 = 8,514,152.17/x
  3. Step 3: Cross multiply
    13,991,137.07x = 20,970,785.90 × 8,514,152.17
  4. Step 4: Simplify right side
    13,991,137.07x = 178,548,462,245,948.81
  5. Step 5: Solve for x
    x = 178,548,462,245,948.81/13,991,137.07
  6. Step 6: Final answer
    x = 12,761,540.50

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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.