Home / 7,031,348.65-9,704,778.85-4,278,922.89

Finding the Fourth Proportional to 7,031,348.65, 9,704,778.85 and 4,278,922.89

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Solution

The fourth proportional to 7,031,348.65, 9,704,778.85 and 4,278,922.89 is: 5,905,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031,348.65 : 9,704,778.85 = 4,278,922.89 : x
  2. Step 2: Convert to fraction form
    7,031,348.65/9,704,778.85 = 4,278,922.89/x
  3. Step 3: Cross multiply
    7,031,348.65x = 9,704,778.85 × 4,278,922.89
  4. Step 4: Simplify right side
    7,031,348.65x = 41,526,000,363,652.88
  5. Step 5: Solve for x
    x = 41,526,000,363,652.88/7,031,348.65
  6. Step 6: Final answer
    x = 5,905,837.19

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1.5x scale

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.