Home / 8,222,447.09-12,356,028.77-4,386,979.24

Finding the Fourth Proportional to 8,222,447.09, 12,356,028.77 and 4,386,979.24

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Solution

The fourth proportional to 8,222,447.09, 12,356,028.77 and 4,386,979.24 is: 6,592,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222,447.09 : 12,356,028.77 = 4,386,979.24 : x
  2. Step 2: Convert to fraction form
    8,222,447.09/12,356,028.77 = 4,386,979.24/x
  3. Step 3: Cross multiply
    8,222,447.09x = 12,356,028.77 × 4,386,979.24
  4. Step 4: Simplify right side
    8,222,447.09x = 54,205,641,650,007.77
  5. Step 5: Solve for x
    x = 54,205,641,650,007.77/8,222,447.09
  6. Step 6: Final answer
    x = 6,592,397.74

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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.