Home / 20,743,829.02-28,626,942.69-11,451,377.62

Finding the Fourth Proportional to 20,743,829.02, 28,626,942.69 and 11,451,377.62

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Solution

The fourth proportional to 20,743,829.02, 28,626,942.69 and 11,451,377.62 is: 15,803,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,829.02 : 28,626,942.69 = 11,451,377.62 : x
  2. Step 2: Convert to fraction form
    20,743,829.02/28,626,942.69 = 11,451,377.62/x
  3. Step 3: Cross multiply
    20,743,829.02x = 28,626,942.69 × 11,451,377.62
  4. Step 4: Simplify right side
    20,743,829.02x = 327,817,930,849,288.56
  5. Step 5: Solve for x
    x = 327,817,930,849,288.56/20,743,829.02
  6. Step 6: Final answer
    x = 15,803,154.30

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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.