Home / 15,214,830.06-20,996,422.08-8,339,290.86

Finding the Fourth Proportional to 15,214,830.06, 20,996,422.08 and 8,339,290.86

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Solution

The fourth proportional to 15,214,830.06, 20,996,422.08 and 8,339,290.86 is: 11,508,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214,830.06 : 20,996,422.08 = 8,339,290.86 : x
  2. Step 2: Convert to fraction form
    15,214,830.06/20,996,422.08 = 8,339,290.86/x
  3. Step 3: Cross multiply
    15,214,830.06x = 20,996,422.08 × 8,339,290.86
  4. Step 4: Simplify right side
    15,214,830.06x = 175,095,270,744,446.19
  5. Step 5: Solve for x
    x = 175,095,270,744,446.19/15,214,830.06
  6. Step 6: Final answer
    x = 11,508,197.60

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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.