Home / 13,790,866.60-20,654,807.10-8,122,162.60

Finding the Fourth Proportional to 13,790,866.60, 20,654,807.10 and 8,122,162.60

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Solution

The fourth proportional to 13,790,866.60, 20,654,807.10 and 8,122,162.60 is: 12,164,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790,866.60 : 20,654,807.10 = 8,122,162.60 : x
  2. Step 2: Convert to fraction form
    13,790,866.60/20,654,807.10 = 8,122,162.60/x
  3. Step 3: Cross multiply
    13,790,866.60x = 20,654,807.10 × 8,122,162.60
  4. Step 4: Simplify right side
    13,790,866.60x = 167,761,701,737,834.47
  5. Step 5: Solve for x
    x = 167,761,701,737,834.47/13,790,866.60
  6. Step 6: Final answer
    x = 12,164,696.14

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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.