Home / 7,782,412.98-10,739,836.11-4,297,986.78

Finding the Fourth Proportional to 7,782,412.98, 10,739,836.11 and 4,297,986.78

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Solution

The fourth proportional to 7,782,412.98, 10,739,836.11 and 4,297,986.78 is: 5,931,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,412.98 : 10,739,836.11 = 4,297,986.78 : x
  2. Step 2: Convert to fraction form
    7,782,412.98/10,739,836.11 = 4,297,986.78/x
  3. Step 3: Cross multiply
    7,782,412.98x = 10,739,836.11 × 4,297,986.78
  4. Step 4: Simplify right side
    7,782,412.98x = 46,159,673,620,146.62
  5. Step 5: Solve for x
    x = 46,159,673,620,146.62/7,782,412.98
  6. Step 6: Final answer
    x = 5,931,280.41

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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.