Home / 15,036,790.20-20,750,790.70-8,161,270.44

Finding the Fourth Proportional to 15,036,790.20, 20,750,790.70 and 8,161,270.44

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Solution

The fourth proportional to 15,036,790.20, 20,750,790.70 and 8,161,270.44 is: 11,262,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,790.20 : 20,750,790.70 = 8,161,270.44 : x
  2. Step 2: Convert to fraction form
    15,036,790.20/20,750,790.70 = 8,161,270.44/x
  3. Step 3: Cross multiply
    15,036,790.20x = 20,750,790.70 × 8,161,270.44
  4. Step 4: Simplify right side
    15,036,790.20x = 169,352,814,746,536.91
  5. Step 5: Solve for x
    x = 169,352,814,746,536.91/15,036,790.20
  6. Step 6: Final answer
    x = 11,262,564.18

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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.