Home / 10,297,812.80-15,446,719.20-9,825,420.80

Finding the Fourth Proportional to 10,297,812.80, 15,446,719.20 and 9,825,420.80

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Solution

The fourth proportional to 10,297,812.80, 15,446,719.20 and 9,825,420.80 is: 14,738,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297,812.80 : 15,446,719.20 = 9,825,420.80 : x
  2. Step 2: Convert to fraction form
    10,297,812.80/15,446,719.20 = 9,825,420.80/x
  3. Step 3: Cross multiply
    10,297,812.80x = 15,446,719.20 × 9,825,420.80
  4. Step 4: Simplify right side
    10,297,812.80x = 151,770,516,119,439.38
  5. Step 5: Solve for x
    x = 151,770,516,119,439.38/10,297,812.80
  6. Step 6: Final answer
    x = 14,738,131.20

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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.