Home / 15,403,048.41-21,256,211.96-8,434,166.73

Finding the Fourth Proportional to 15,403,048.41, 21,256,211.96 and 8,434,166.73

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Solution

The fourth proportional to 15,403,048.41, 21,256,211.96 and 8,434,166.73 is: 11,639,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403,048.41 : 21,256,211.96 = 8,434,166.73 : x
  2. Step 2: Convert to fraction form
    15,403,048.41/21,256,211.96 = 8,434,166.73/x
  3. Step 3: Cross multiply
    15,403,048.41x = 21,256,211.96 × 8,434,166.73
  4. Step 4: Simplify right side
    15,403,048.41x = 179,278,435,718,860.09
  5. Step 5: Solve for x
    x = 179,278,435,718,860.09/15,403,048.41
  6. Step 6: Final answer
    x = 11,639,152.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.