Home / 40,740,505.36-61,137,680.71-19,181,272.57

Finding the Fourth Proportional to 40,740,505.36, 61,137,680.71 and 19,181,272.57

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Solution

The fourth proportional to 40,740,505.36, 61,137,680.71 and 19,181,272.57 is: 28,784,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740,505.36 : 61,137,680.71 = 19,181,272.57 : x
  2. Step 2: Convert to fraction form
    40,740,505.36/61,137,680.71 = 19,181,272.57/x
  3. Step 3: Cross multiply
    40,740,505.36x = 61,137,680.71 × 19,181,272.57
  4. Step 4: Simplify right side
    40,740,505.36x = 1,172,698,517,996,141.25
  5. Step 5: Solve for x
    x = 1,172,698,517,996,141.25/40,740,505.36
  6. Step 6: Final answer
    x = 28,784,584.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.