Home / 7,771,559.28-11,658,315.48-4,172,379.12

Finding the Fourth Proportional to 7,771,559.28, 11,658,315.48 and 4,172,379.12

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Solution

The fourth proportional to 7,771,559.28, 11,658,315.48 and 4,172,379.12 is: 6,259,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,559.28 : 11,658,315.48 = 4,172,379.12 : x
  2. Step 2: Convert to fraction form
    7,771,559.28/11,658,315.48 = 4,172,379.12/x
  3. Step 3: Cross multiply
    7,771,559.28x = 11,658,315.48 × 4,172,379.12
  4. Step 4: Simplify right side
    7,771,559.28x = 48,642,912,083,124.78
  5. Step 5: Solve for x
    x = 48,642,912,083,124.78/7,771,559.28
  6. Step 6: Final answer
    x = 6,259,092.97

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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.