Home / 21,851,680.52-30,155,213.97-12,062,039.07

Finding the Fourth Proportional to 21,851,680.52, 30,155,213.97 and 12,062,039.07

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Solution

The fourth proportional to 21,851,680.52, 30,155,213.97 and 12,062,039.07 is: 16,645,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,680.52 : 30,155,213.97 = 12,062,039.07 : x
  2. Step 2: Convert to fraction form
    21,851,680.52/30,155,213.97 = 12,062,039.07/x
  3. Step 3: Cross multiply
    21,851,680.52x = 30,155,213.97 × 12,062,039.07
  4. Step 4: Simplify right side
    21,851,680.52x = 363,733,369,013,808.75
  5. Step 5: Solve for x
    x = 363,733,369,013,808.75/21,851,680.52
  6. Step 6: Final answer
    x = 16,645,555.88

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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.