Home / 28,279,451.61-39,025,689.39-16,056,308.61

Finding the Fourth Proportional to 28,279,451.61, 39,025,689.39 and 16,056,308.61

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Solution

The fourth proportional to 28,279,451.61, 39,025,689.39 and 16,056,308.61 is: 22,157,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279,451.61 : 39,025,689.39 = 16,056,308.61 : x
  2. Step 2: Convert to fraction form
    28,279,451.61/39,025,689.39 = 16,056,308.61/x
  3. Step 3: Cross multiply
    28,279,451.61x = 39,025,689.39 × 16,056,308.61
  4. Step 4: Simplify right side
    28,279,451.61x = 626,608,512,563,842.62
  5. Step 5: Solve for x
    x = 626,608,512,563,842.62/28,279,451.61
  6. Step 6: Final answer
    x = 22,157,732.09

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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.