Home / 7,971,458.61-11,959,086.05-2,580,109.95

Finding the Fourth Proportional to 7,971,458.61, 11,959,086.05 and 2,580,109.95

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Solution

The fourth proportional to 7,971,458.61, 11,959,086.05 and 2,580,109.95 is: 3,870,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,458.61 : 11,959,086.05 = 2,580,109.95 : x
  2. Step 2: Convert to fraction form
    7,971,458.61/11,959,086.05 = 2,580,109.95/x
  3. Step 3: Cross multiply
    7,971,458.61x = 11,959,086.05 × 2,580,109.95
  4. Step 4: Simplify right side
    7,971,458.61x = 30,855,756,910,511.20
  5. Step 5: Solve for x
    x = 30,855,756,910,511.20/7,971,458.61
  6. Step 6: Final answer
    x = 3,870,779.29

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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.