Home / 27,739,972.80-41,609,959.20-16,990,430.40

Finding the Fourth Proportional to 27,739,972.80, 41,609,959.20 and 16,990,430.40

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Solution

The fourth proportional to 27,739,972.80, 41,609,959.20 and 16,990,430.40 is: 25,485,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,739,972.80 : 41,609,959.20 = 16,990,430.40 : x
  2. Step 2: Convert to fraction form
    27,739,972.80/41,609,959.20 = 16,990,430.40/x
  3. Step 3: Cross multiply
    27,739,972.80x = 41,609,959.20 × 16,990,430.40
  4. Step 4: Simplify right side
    27,739,972.80x = 706,971,115,734,439.62
  5. Step 5: Solve for x
    x = 706,971,115,734,439.62/27,739,972.80
  6. Step 6: Final answer
    x = 25,485,645.60

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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.