Home / 13,929,377.02-19,222,540.26-7,817,805.52

Finding the Fourth Proportional to 13,929,377.02, 19,222,540.26 and 7,817,805.52

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Solution

The fourth proportional to 13,929,377.02, 19,222,540.26 and 7,817,805.52 is: 10,788,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,377.02 : 19,222,540.26 = 7,817,805.52 : x
  2. Step 2: Convert to fraction form
    13,929,377.02/19,222,540.26 = 7,817,805.52/x
  3. Step 3: Cross multiply
    13,929,377.02x = 19,222,540.26 × 7,817,805.52
  4. Step 4: Simplify right side
    13,929,377.02x = 150,278,081,353,050.25
  5. Step 5: Solve for x
    x = 150,278,081,353,050.25/13,929,377.02
  6. Step 6: Final answer
    x = 10,788,571.60

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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.