Home / 15,517,460.49-21,414,759.86-8,641,942.55

Finding the Fourth Proportional to 15,517,460.49, 21,414,759.86 and 8,641,942.55

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Solution

The fourth proportional to 15,517,460.49, 21,414,759.86 and 8,641,942.55 is: 11,926,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,460.49 : 21,414,759.86 = 8,641,942.55 : x
  2. Step 2: Convert to fraction form
    15,517,460.49/21,414,759.86 = 8,641,942.55/x
  3. Step 3: Cross multiply
    15,517,460.49x = 21,414,759.86 × 8,641,942.55
  4. Step 4: Simplify right side
    15,517,460.49x = 185,065,124,507,307.81
  5. Step 5: Solve for x
    x = 185,065,124,507,307.81/15,517,460.49
  6. Step 6: Final answer
    x = 11,926,250.73

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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.