Home / 20,348,938.80-30,523,408.20-17,609,065.20

Finding the Fourth Proportional to 20,348,938.80, 30,523,408.20 and 17,609,065.20

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Solution

The fourth proportional to 20,348,938.80, 30,523,408.20 and 17,609,065.20 is: 26,413,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,938.80 : 30,523,408.20 = 17,609,065.20 : x
  2. Step 2: Convert to fraction form
    20,348,938.80/30,523,408.20 = 17,609,065.20/x
  3. Step 3: Cross multiply
    20,348,938.80x = 30,523,408.20 × 17,609,065.20
  4. Step 4: Simplify right side
    20,348,938.80x = 537,488,685,120,014.62
  5. Step 5: Solve for x
    x = 537,488,685,120,014.62/20,348,938.80
  6. Step 6: Final answer
    x = 26,413,597.80

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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.