Home / 20,230,164.80-30,345,247.20-7,448,024.60

Finding the Fourth Proportional to 20,230,164.80, 30,345,247.20 and 7,448,024.60

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Solution

The fourth proportional to 20,230,164.80, 30,345,247.20 and 7,448,024.60 is: 11,172,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,164.80 : 30,345,247.20 = 7,448,024.60 : x
  2. Step 2: Convert to fraction form
    20,230,164.80/30,345,247.20 = 7,448,024.60/x
  3. Step 3: Cross multiply
    20,230,164.80x = 30,345,247.20 × 7,448,024.60
  4. Step 4: Simplify right side
    20,230,164.80x = 226,012,147,638,681.09
  5. Step 5: Solve for x
    x = 226,012,147,638,681.09/20,230,164.80
  6. Step 6: Final answer
    x = 11,172,036.90

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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.