Home / 34,013,402.40-51,020,103.60-20,408,512.80

Finding the Fourth Proportional to 34,013,402.40, 51,020,103.60 and 20,408,512.80

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Solution

The fourth proportional to 34,013,402.40, 51,020,103.60 and 20,408,512.80 is: 30,612,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,013,402.40 : 51,020,103.60 = 20,408,512.80 : x
  2. Step 2: Convert to fraction form
    34,013,402.40/51,020,103.60 = 20,408,512.80/x
  3. Step 3: Cross multiply
    34,013,402.40x = 51,020,103.60 × 20,408,512.80
  4. Step 4: Simplify right side
    34,013,402.40x = 1,041,244,437,377,926.12
  5. Step 5: Solve for x
    x = 1,041,244,437,377,926.12/34,013,402.40
  6. Step 6: Final answer
    x = 30,612,769.20

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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.