Home / 28,636,127.25-39,517,862.09-15,759,071.25

Finding the Fourth Proportional to 28,636,127.25, 39,517,862.09 and 15,759,071.25

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Solution

The fourth proportional to 28,636,127.25, 39,517,862.09 and 15,759,071.25 is: 21,747,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636,127.25 : 39,517,862.09 = 15,759,071.25 : x
  2. Step 2: Convert to fraction form
    28,636,127.25/39,517,862.09 = 15,759,071.25/x
  3. Step 3: Cross multiply
    28,636,127.25x = 39,517,862.09 × 15,759,071.25
  4. Step 4: Simplify right side
    28,636,127.25x = 622,764,804,245,188.62
  5. Step 5: Solve for x
    x = 622,764,804,245,188.62/28,636,127.25
  6. Step 6: Final answer
    x = 21,747,521.89

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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.