Home / 20,671,843.61-28,527,506.92-11,252,905.39

Finding the Fourth Proportional to 20,671,843.61, 28,527,506.92 and 11,252,905.39

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Solution

The fourth proportional to 20,671,843.61, 28,527,506.92 and 11,252,905.39 is: 15,529,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,843.61 : 28,527,506.92 = 11,252,905.39 : x
  2. Step 2: Convert to fraction form
    20,671,843.61/28,527,506.92 = 11,252,905.39/x
  3. Step 3: Cross multiply
    20,671,843.61x = 28,527,506.92 × 11,252,905.39
  4. Step 4: Simplify right side
    20,671,843.61x = 321,017,336,283,879.25
  5. Step 5: Solve for x
    x = 321,017,336,283,879.25/20,671,843.61
  6. Step 6: Final answer
    x = 15,529,206.89

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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.