Home / 30,929,679.36-42,681,777.12-17,179,525.44

Finding the Fourth Proportional to 30,929,679.36, 42,681,777.12 and 17,179,525.44

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Solution

The fourth proportional to 30,929,679.36, 42,681,777.12 and 17,179,525.44 is: 23,707,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929,679.36 : 42,681,777.12 = 17,179,525.44 : x
  2. Step 2: Convert to fraction form
    30,929,679.36/42,681,777.12 = 17,179,525.44/x
  3. Step 3: Cross multiply
    30,929,679.36x = 42,681,777.12 × 17,179,525.44
  4. Step 4: Simplify right side
    30,929,679.36x = 733,252,675,857,450
  5. Step 5: Solve for x
    x = 733,252,675,857,450/30,929,679.36
  6. Step 6: Final answer
    x = 23,707,089.47

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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.