Home / 12,642,919.91-17,447,229.47-6,841,701.65

Finding the Fourth Proportional to 12,642,919.91, 17,447,229.47 and 6,841,701.65

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Solution

The fourth proportional to 12,642,919.91, 17,447,229.47 and 6,841,701.65 is: 9,441,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,919.91 : 17,447,229.47 = 6,841,701.65 : x
  2. Step 2: Convert to fraction form
    12,642,919.91/17,447,229.47 = 6,841,701.65/x
  3. Step 3: Cross multiply
    12,642,919.91x = 17,447,229.47 × 6,841,701.65
  4. Step 4: Simplify right side
    12,642,919.91x = 119,368,738,582,695.72
  5. Step 5: Solve for x
    x = 119,368,738,582,695.72/12,642,919.91
  6. Step 6: Final answer
    x = 9,441,548.27

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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.