Home / 15,165,417.06-20,923,165.46-8,634,425.54

Finding the Fourth Proportional to 15,165,417.06, 20,923,165.46 and 8,634,425.54

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Solution

The fourth proportional to 15,165,417.06, 20,923,165.46 and 8,634,425.54 is: 11,912,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165,417.06 : 20,923,165.46 = 8,634,425.54 : x
  2. Step 2: Convert to fraction form
    15,165,417.06/20,923,165.46 = 8,634,425.54/x
  3. Step 3: Cross multiply
    15,165,417.06x = 20,923,165.46 × 8,634,425.54
  4. Step 4: Simplify right side
    15,165,417.06x = 180,659,514,225,469.84
  5. Step 5: Solve for x
    x = 180,659,514,225,469.84/15,165,417.06
  6. Step 6: Final answer
    x = 11,912,597.82

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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.