Home / 21,853,490.80-30,157,026.78-12,063,724.84

Finding the Fourth Proportional to 21,853,490.80, 30,157,026.78 and 12,063,724.84

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Solution

The fourth proportional to 21,853,490.80, 30,157,026.78 and 12,063,724.84 is: 16,647,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,490.80 : 30,157,026.78 = 12,063,724.84 : x
  2. Step 2: Convert to fraction form
    21,853,490.80/30,157,026.78 = 12,063,724.84/x
  3. Step 3: Cross multiply
    21,853,490.80x = 30,157,026.78 × 12,063,724.84
  4. Step 4: Simplify right side
    21,853,490.80x = 363,806,073,066,431.25
  5. Step 5: Solve for x
    x = 363,806,073,066,431.25/21,853,490.80
  6. Step 6: Final answer
    x = 16,647,503.89

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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.