Home / 30,940,093.61-42,694,829.72-17,888,193.80

Finding the Fourth Proportional to 30,940,093.61, 42,694,829.72 and 17,888,193.80

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Solution

The fourth proportional to 30,940,093.61, 42,694,829.72 and 17,888,193.80 is: 24,684,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,093.61 : 42,694,829.72 = 17,888,193.80 : x
  2. Step 2: Convert to fraction form
    30,940,093.61/42,694,829.72 = 17,888,193.80/x
  3. Step 3: Cross multiply
    30,940,093.61x = 42,694,829.72 × 17,888,193.80
  4. Step 4: Simplify right side
    30,940,093.61x = 763,733,388,075,885.62
  5. Step 5: Solve for x
    x = 763,733,388,075,885.62/30,940,093.61
  6. Step 6: Final answer
    x = 24,684,262.36

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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.