Home / 22,232,959.28-30,682,442.70-12,309,841.88

Finding the Fourth Proportional to 22,232,959.28, 30,682,442.70 and 12,309,841.88

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Solution

The fourth proportional to 22,232,959.28, 30,682,442.70 and 12,309,841.88 is: 16,988,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232,959.28 : 30,682,442.70 = 12,309,841.88 : x
  2. Step 2: Convert to fraction form
    22,232,959.28/30,682,442.70 = 12,309,841.88/x
  3. Step 3: Cross multiply
    22,232,959.28x = 30,682,442.70 × 12,309,841.88
  4. Step 4: Simplify right side
    22,232,959.28x = 377,696,018,205,866.38
  5. Step 5: Solve for x
    x = 377,696,018,205,866.38/22,232,959.28
  6. Step 6: Final answer
    x = 16,988,112.71

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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.