Home / 15,170,511.84-20,937,354.50-8,556,457.95

Finding the Fourth Proportional to 15,170,511.84, 20,937,354.50 and 8,556,457.95

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Solution

The fourth proportional to 15,170,511.84, 20,937,354.50 and 8,556,457.95 is: 11,809,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,511.84 : 20,937,354.50 = 8,556,457.95 : x
  2. Step 2: Convert to fraction form
    15,170,511.84/20,937,354.50 = 8,556,457.95/x
  3. Step 3: Cross multiply
    15,170,511.84x = 20,937,354.50 × 8,556,457.95
  4. Step 4: Simplify right side
    15,170,511.84x = 179,149,593,320,710.97
  5. Step 5: Solve for x
    x = 179,149,593,320,710.97/15,170,511.84
  6. Step 6: Final answer
    x = 11,809,067.17

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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.