Home / 14,658,199.92-20,228,339.25-8,131,829.31

Finding the Fourth Proportional to 14,658,199.92, 20,228,339.25 and 8,131,829.31

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Solution

The fourth proportional to 14,658,199.92, 20,228,339.25 and 8,131,829.31 is: 11,221,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,199.92 : 20,228,339.25 = 8,131,829.31 : x
  2. Step 2: Convert to fraction form
    14,658,199.92/20,228,339.25 = 8,131,829.31/x
  3. Step 3: Cross multiply
    14,658,199.92x = 20,228,339.25 × 8,131,829.31
  4. Step 4: Simplify right side
    14,658,199.92x = 164,493,402,005,773.41
  5. Step 5: Solve for x
    x = 164,493,402,005,773.41/14,658,199.92
  6. Step 6: Final answer
    x = 11,221,937.41

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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.