Home / 20,131,254.10-30,189,007.95-7,345,177.30

Finding the Fourth Proportional to 20,131,254.10, 30,189,007.95 and 7,345,177.30

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Solution

The fourth proportional to 20,131,254.10, 30,189,007.95 and 7,345,177.30 is: 11,014,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131,254.10 : 30,189,007.95 = 7,345,177.30 : x
  2. Step 2: Convert to fraction form
    20,131,254.10/30,189,007.95 = 7,345,177.30/x
  3. Step 3: Cross multiply
    20,131,254.10x = 30,189,007.95 × 7,345,177.30
  4. Step 4: Simplify right side
    20,131,254.10x = 221,743,615,903,859.53
  5. Step 5: Solve for x
    x = 221,743,615,903,859.53/20,131,254.10
  6. Step 6: Final answer
    x = 11,014,893.30

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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.