Home / 29,183,812.80-43,775,719.20-8,986,430.40

Finding the Fourth Proportional to 29,183,812.80, 43,775,719.20 and 8,986,430.40

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Solution

The fourth proportional to 29,183,812.80, 43,775,719.20 and 8,986,430.40 is: 13,479,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,183,812.80 : 43,775,719.20 = 8,986,430.40 : x
  2. Step 2: Convert to fraction form
    29,183,812.80/43,775,719.20 = 8,986,430.40/x
  3. Step 3: Cross multiply
    29,183,812.80x = 43,775,719.20 × 8,986,430.40
  4. Step 4: Simplify right side
    29,183,812.80x = 393,387,453,800,743.75
  5. Step 5: Solve for x
    x = 393,387,453,800,743.75/29,183,812.80
  6. Step 6: Final answer
    x = 13,479,645.60

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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.