Home / 28,005,088.16-41,992,469.04-12,634,414.88

Finding the Fourth Proportional to 28,005,088.16, 41,992,469.04 and 12,634,414.88

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Solution

The fourth proportional to 28,005,088.16, 41,992,469.04 and 12,634,414.88 is: 18,944,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,088.16 : 41,992,469.04 = 12,634,414.88 : x
  2. Step 2: Convert to fraction form
    28,005,088.16/41,992,469.04 = 12,634,414.88/x
  3. Step 3: Cross multiply
    28,005,088.16x = 41,992,469.04 × 12,634,414.88
  4. Step 4: Simplify right side
    28,005,088.16x = 530,550,275,686,915.31
  5. Step 5: Solve for x
    x = 530,550,275,686,915.31/28,005,088.16
  6. Step 6: Final answer
    x = 18,944,781.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.