Home / 20,882,790.40-31,299,302.40-8,752,230.40

Finding the Fourth Proportional to 20,882,790.40, 31,299,302.40 and 8,752,230.40

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Solution

The fourth proportional to 20,882,790.40, 31,299,302.40 and 8,752,230.40 is: 13,117,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882,790.40 : 31,299,302.40 = 8,752,230.40 : x
  2. Step 2: Convert to fraction form
    20,882,790.40/31,299,302.40 = 8,752,230.40/x
  3. Step 3: Cross multiply
    20,882,790.40x = 31,299,302.40 × 8,752,230.40
  4. Step 4: Simplify right side
    20,882,790.40x = 273,938,705,964,072.97
  5. Step 5: Solve for x
    x = 273,938,705,964,072.97/20,882,790.40
  6. Step 6: Final answer
    x = 13,117,916.75

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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.