Home / 11,471,466.78-17,207,382.65-6,386,218.77

Finding the Fourth Proportional to 11,471,466.78, 17,207,382.65 and 6,386,218.77

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Solution

The fourth proportional to 11,471,466.78, 17,207,382.65 and 6,386,218.77 is: 9,579,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471,466.78 : 17,207,382.65 = 6,386,218.77 : x
  2. Step 2: Convert to fraction form
    11,471,466.78/17,207,382.65 = 6,386,218.77/x
  3. Step 3: Cross multiply
    11,471,466.78x = 17,207,382.65 × 6,386,218.77
  4. Step 4: Simplify right side
    11,471,466.78x = 109,890,110,030,071.23
  5. Step 5: Solve for x
    x = 109,890,110,030,071.23/11,471,466.78
  6. Step 6: Final answer
    x = 9,579,429.74

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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.