Home / 20,129,029.44-30,189,256.64-5,748,279.36

Finding the Fourth Proportional to 20,129,029.44, 30,189,256.64 and 5,748,279.36

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Solution

The fourth proportional to 20,129,029.44, 30,189,256.64 and 5,748,279.36 is: 8,621,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,029.44 : 30,189,256.64 = 5,748,279.36 : x
  2. Step 2: Convert to fraction form
    20,129,029.44/30,189,256.64 = 5,748,279.36/x
  3. Step 3: Cross multiply
    20,129,029.44x = 30,189,256.64 × 5,748,279.36
  4. Step 4: Simplify right side
    20,129,029.44x = 173,536,280,837,454.97
  5. Step 5: Solve for x
    x = 173,536,280,837,454.97/20,129,029.44
  6. Step 6: Final answer
    x = 8,621,194.65

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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.