Home / 20,468,434.60-30,702,591.42-8,335,040.68

Finding the Fourth Proportional to 20,468,434.60, 30,702,591.42 and 8,335,040.68

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Solution

The fourth proportional to 20,468,434.60, 30,702,591.42 and 8,335,040.68 is: 12,502,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,434.60 : 30,702,591.42 = 8,335,040.68 : x
  2. Step 2: Convert to fraction form
    20,468,434.60/30,702,591.42 = 8,335,040.68/x
  3. Step 3: Cross multiply
    20,468,434.60x = 30,702,591.42 × 8,335,040.68
  4. Step 4: Simplify right side
    20,468,434.60x = 255,907,348,467,118.97
  5. Step 5: Solve for x
    x = 255,907,348,467,118.97/20,468,434.60
  6. Step 6: Final answer
    x = 12,502,536.39

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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.