Home / 20,755,525.22-31,106,283.03-8,445,142.19

Finding the Fourth Proportional to 20,755,525.22, 31,106,283.03 and 8,445,142.19

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Solution

The fourth proportional to 20,755,525.22, 31,106,283.03 and 8,445,142.19 is: 12,656,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,755,525.22 : 31,106,283.03 = 8,445,142.19 : x
  2. Step 2: Convert to fraction form
    20,755,525.22/31,106,283.03 = 8,445,142.19/x
  3. Step 3: Cross multiply
    20,755,525.22x = 31,106,283.03 × 8,445,142.19
  4. Step 4: Simplify right side
    20,755,525.22x = 262,696,983,035,202.66
  5. Step 5: Solve for x
    x = 262,696,983,035,202.66/20,755,525.22
  6. Step 6: Final answer
    x = 12,656,725.39

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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.