Home / 30,839,760-42,559,801.92-17,087,437.44

Finding the Fourth Proportional to 30,839,760, 42,559,801.92 and 17,087,437.44

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Solution

The fourth proportional to 30,839,760, 42,559,801.92 and 17,087,437.44 is: 23,581,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839,760 : 42,559,801.92 = 17,087,437.44 : x
  2. Step 2: Convert to fraction form
    30,839,760/42,559,801.92 = 17,087,437.44/x
  3. Step 3: Cross multiply
    30,839,760x = 42,559,801.92 × 17,087,437.44
  4. Step 4: Simplify right side
    30,839,760x = 727,237,952,766,792
  5. Step 5: Solve for x
    x = 727,237,952,766,792/30,839,760
  6. Step 6: Final answer
    x = 23,581,180.68

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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.