Home / 19,310,172.20-28,932,080.70-10,198,773.80

Finding the Fourth Proportional to 19,310,172.20, 28,932,080.70 and 10,198,773.80

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Solution

The fourth proportional to 19,310,172.20, 28,932,080.70 and 10,198,773.80 is: 15,280,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310,172.20 : 28,932,080.70 = 10,198,773.80 : x
  2. Step 2: Convert to fraction form
    19,310,172.20/28,932,080.70 = 10,198,773.80/x
  3. Step 3: Cross multiply
    19,310,172.20x = 28,932,080.70 × 10,198,773.80
  4. Step 4: Simplify right side
    19,310,172.20x = 295,071,746,622,645.69
  5. Step 5: Solve for x
    x = 295,071,746,622,645.69/19,310,172.20
  6. Step 6: Final answer
    x = 15,280,637.77

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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.