Home / 12,511,340.07-18,763,385.15-3,757,265.47

Finding the Fourth Proportional to 12,511,340.07, 18,763,385.15 and 3,757,265.47

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Solution

The fourth proportional to 12,511,340.07, 18,763,385.15 and 3,757,265.47 is: 5,634,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,340.07 : 18,763,385.15 = 3,757,265.47 : x
  2. Step 2: Convert to fraction form
    12,511,340.07/18,763,385.15 = 3,757,265.47/x
  3. Step 3: Cross multiply
    12,511,340.07x = 18,763,385.15 × 3,757,265.47
  4. Step 4: Simplify right side
    12,511,340.07x = 70,499,019,136,118.55
  5. Step 5: Solve for x
    x = 70,499,019,136,118.55/12,511,340.07
  6. Step 6: Final answer
    x = 5,634,809.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.