Home / 10,284,478.36-14,192,272.86-5,638,104.52

Finding the Fourth Proportional to 10,284,478.36, 14,192,272.86 and 5,638,104.52

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Solution

The fourth proportional to 10,284,478.36, 14,192,272.86 and 5,638,104.52 is: 7,780,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284,478.36 : 14,192,272.86 = 5,638,104.52 : x
  2. Step 2: Convert to fraction form
    10,284,478.36/14,192,272.86 = 5,638,104.52/x
  3. Step 3: Cross multiply
    10,284,478.36x = 14,192,272.86 × 5,638,104.52
  4. Step 4: Simplify right side
    10,284,478.36x = 80,017,517,761,039.31
  5. Step 5: Solve for x
    x = 80,017,517,761,039.31/10,284,478.36
  6. Step 6: Final answer
    x = 7,780,415.78

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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.