Home / 15,125,368.31-20,874,772.94-8,599,975.50

Finding the Fourth Proportional to 15,125,368.31, 20,874,772.94 and 8,599,975.50

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Solution

The fourth proportional to 15,125,368.31, 20,874,772.94 and 8,599,975.50 is: 11,868,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,368.31 : 20,874,772.94 = 8,599,975.50 : x
  2. Step 2: Convert to fraction form
    15,125,368.31/20,874,772.94 = 8,599,975.50/x
  3. Step 3: Cross multiply
    15,125,368.31x = 20,874,772.94 × 8,599,975.50
  4. Step 4: Simplify right side
    15,125,368.31x = 179,522,535,809,063.09
  5. Step 5: Solve for x
    x = 179,522,535,809,063.09/15,125,368.31
  6. Step 6: Final answer
    x = 11,868,969.55

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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.