Home / 19,178,025.14-28,766,840.40-11,085,851.78

Finding the Fourth Proportional to 19,178,025.14, 28,766,840.40 and 11,085,851.78

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Solution

The fourth proportional to 19,178,025.14, 28,766,840.40 and 11,085,851.78 is: 16,628,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,025.14 : 28,766,840.40 = 11,085,851.78 : x
  2. Step 2: Convert to fraction form
    19,178,025.14/28,766,840.40 = 11,085,851.78/x
  3. Step 3: Cross multiply
    19,178,025.14x = 28,766,840.40 × 11,085,851.78
  4. Step 4: Simplify right side
    19,178,025.14x = 318,904,928,853,315.88
  5. Step 5: Solve for x
    x = 318,904,928,853,315.88/19,178,025.14
  6. Step 6: Final answer
    x = 16,628,663.62

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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.