Home / 18,137,874.27-25,030,092.24-9,878,074.50

Finding the Fourth Proportional to 18,137,874.27, 25,030,092.24 and 9,878,074.50

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Solution

The fourth proportional to 18,137,874.27, 25,030,092.24 and 9,878,074.50 is: 13,631,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137,874.27 : 25,030,092.24 = 9,878,074.50 : x
  2. Step 2: Convert to fraction form
    18,137,874.27/25,030,092.24 = 9,878,074.50/x
  3. Step 3: Cross multiply
    18,137,874.27x = 25,030,092.24 × 9,878,074.50
  4. Step 4: Simplify right side
    18,137,874.27x = 247,249,115,888,591.88
  5. Step 5: Solve for x
    x = 247,249,115,888,591.88/18,137,874.27
  6. Step 6: Final answer
    x = 13,631,647.91

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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.