Home / 14,697,781.19-20,284,072.65-8,817,635.60

Finding the Fourth Proportional to 14,697,781.19, 20,284,072.65 and 8,817,635.60

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Solution

The fourth proportional to 14,697,781.19, 20,284,072.65 and 8,817,635.60 is: 12,169,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697,781.19 : 20,284,072.65 = 8,817,635.60 : x
  2. Step 2: Convert to fraction form
    14,697,781.19/20,284,072.65 = 8,817,635.60/x
  3. Step 3: Cross multiply
    14,697,781.19x = 20,284,072.65 × 8,817,635.60
  4. Step 4: Simplify right side
    14,697,781.19x = 178,857,561,010,205.97
  5. Step 5: Solve for x
    x = 178,857,561,010,205.97/14,697,781.19
  6. Step 6: Final answer
    x = 12,169,017.81

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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.