Home / 18,830,003.70-28,247,629.95-8,047,218.90

Finding the Fourth Proportional to 18,830,003.70, 28,247,629.95 and 8,047,218.90

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Solution

The fourth proportional to 18,830,003.70, 28,247,629.95 and 8,047,218.90 is: 12,071,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830,003.70 : 28,247,629.95 = 8,047,218.90 : x
  2. Step 2: Convert to fraction form
    18,830,003.70/28,247,629.95 = 8,047,218.90/x
  3. Step 3: Cross multiply
    18,830,003.70x = 28,247,629.95 × 8,047,218.90
  4. Step 4: Simplify right side
    18,830,003.70x = 227,314,861,613,846.06
  5. Step 5: Solve for x
    x = 227,314,861,613,846.06/18,830,003.70
  6. Step 6: Final answer
    x = 12,071,949.92

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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.