Home / 21,936,843.65-30,272,825.57-12,147,287.67

Finding the Fourth Proportional to 21,936,843.65, 30,272,825.57 and 12,147,287.67

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Solution

The fourth proportional to 21,936,843.65, 30,272,825.57 and 12,147,287.67 is: 16,763,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,843.65 : 30,272,825.57 = 12,147,287.67 : x
  2. Step 2: Convert to fraction form
    21,936,843.65/30,272,825.57 = 12,147,287.67/x
  3. Step 3: Cross multiply
    21,936,843.65x = 30,272,825.57 × 12,147,287.67
  4. Step 4: Simplify right side
    21,936,843.65x = 367,732,720,721,785.31
  5. Step 5: Solve for x
    x = 367,732,720,721,785.31/21,936,843.65
  6. Step 6: Final answer
    x = 16,763,246.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.