Home / 7,929,927.18-11,894,899.95-2,172,709.76

Finding the Fourth Proportional to 7,929,927.18, 11,894,899.95 and 2,172,709.76

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Solution

The fourth proportional to 7,929,927.18, 11,894,899.95 and 2,172,709.76 is: 3,259,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929,927.18 : 11,894,899.95 = 2,172,709.76 : x
  2. Step 2: Convert to fraction form
    7,929,927.18/11,894,899.95 = 2,172,709.76/x
  3. Step 3: Cross multiply
    7,929,927.18x = 11,894,899.95 × 2,172,709.76
  4. Step 4: Simplify right side
    7,929,927.18x = 25,844,165,156,114.01
  5. Step 5: Solve for x
    x = 25,844,165,156,114.01/7,929,927.18
  6. Step 6: Final answer
    x = 3,259,067.15

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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.