Home / 22,712,446.40-31,343,016.57-12,399,169.49

Finding the Fourth Proportional to 22,712,446.40, 31,343,016.57 and 12,399,169.49

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Solution

The fourth proportional to 22,712,446.40, 31,343,016.57 and 12,399,169.49 is: 17,110,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,446.40 : 31,343,016.57 = 12,399,169.49 : x
  2. Step 2: Convert to fraction form
    22,712,446.40/31,343,016.57 = 12,399,169.49/x
  3. Step 3: Cross multiply
    22,712,446.40x = 31,343,016.57 × 12,399,169.49
  4. Step 4: Simplify right side
    22,712,446.40x = 388,627,374,622,593.38
  5. Step 5: Solve for x
    x = 388,627,374,622,593.38/22,712,446.40
  6. Step 6: Final answer
    x = 17,110,766.84

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1.5x scale

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.