Home / 28,003,292.80-41,920,958.40-16,637,891.20

Finding the Fourth Proportional to 28,003,292.80, 41,920,958.40 and 16,637,891.20

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Solution

The fourth proportional to 28,003,292.80, 41,920,958.40 and 16,637,891.20 is: 24,906,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,292.80 : 41,920,958.40 = 16,637,891.20 : x
  2. Step 2: Convert to fraction form
    28,003,292.80/41,920,958.40 = 16,637,891.20/x
  3. Step 3: Cross multiply
    28,003,292.80x = 41,920,958.40 × 16,637,891.20
  4. Step 4: Simplify right side
    28,003,292.80x = 697,476,344,858,926
  5. Step 5: Solve for x
    x = 697,476,344,858,926/28,003,292.80
  6. Step 6: Final answer
    x = 24,906,940.40

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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.