Home / 21,790,278.31-30,070,217.24-12,001,634.05

Finding the Fourth Proportional to 21,790,278.31, 30,070,217.24 and 12,001,634.05

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Solution

The fourth proportional to 21,790,278.31, 30,070,217.24 and 12,001,634.05 is: 16,562,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,278.31 : 30,070,217.24 = 12,001,634.05 : x
  2. Step 2: Convert to fraction form
    21,790,278.31/30,070,217.24 = 12,001,634.05/x
  3. Step 3: Cross multiply
    21,790,278.31x = 30,070,217.24 × 12,001,634.05
  4. Step 4: Simplify right side
    21,790,278.31x = 360,891,743,058,472.88
  5. Step 5: Solve for x
    x = 360,891,743,058,472.88/21,790,278.31
  6. Step 6: Final answer
    x = 16,562,052.95

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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.