Home / 22,555,684.85-31,121,507.88-12,766,129.34

Finding the Fourth Proportional to 22,555,684.85, 31,121,507.88 and 12,766,129.34

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Solution

The fourth proportional to 22,555,684.85, 31,121,507.88 and 12,766,129.34 is: 17,614,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555,684.85 : 31,121,507.88 = 12,766,129.34 : x
  2. Step 2: Convert to fraction form
    22,555,684.85/31,121,507.88 = 12,766,129.34/x
  3. Step 3: Cross multiply
    22,555,684.85x = 31,121,507.88 × 12,766,129.34
  4. Step 4: Simplify right side
    22,555,684.85x = 397,301,194,696,301.69
  5. Step 5: Solve for x
    x = 397,301,194,696,301.69/22,555,684.85
  6. Step 6: Final answer
    x = 17,614,237.72

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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.