Home / 12,006,394.78-16,568,930.55-7,111,895.26

Finding the Fourth Proportional to 12,006,394.78, 16,568,930.55 and 7,111,895.26

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Solution

The fourth proportional to 12,006,394.78, 16,568,930.55 and 7,111,895.26 is: 9,814,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006,394.78 : 16,568,930.55 = 7,111,895.26 : x
  2. Step 2: Convert to fraction form
    12,006,394.78/16,568,930.55 = 7,111,895.26/x
  3. Step 3: Cross multiply
    12,006,394.78x = 16,568,930.55 × 7,111,895.26
  4. Step 4: Simplify right side
    12,006,394.78x = 117,836,498,641,814.19
  5. Step 5: Solve for x
    x = 117,836,498,641,814.19/12,006,394.78
  6. Step 6: Final answer
    x = 9,814,478.10

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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.