Home / 16,941,968.70-25,413,548.76-5,427,785.40

Finding the Fourth Proportional to 16,941,968.70, 25,413,548.76 and 5,427,785.40

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Solution

The fourth proportional to 16,941,968.70, 25,413,548.76 and 5,427,785.40 is: 8,141,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941,968.70 : 25,413,548.76 = 5,427,785.40 : x
  2. Step 2: Convert to fraction form
    16,941,968.70/25,413,548.76 = 5,427,785.40/x
  3. Step 3: Cross multiply
    16,941,968.70x = 25,413,548.76 × 5,427,785.40
  4. Step 4: Simplify right side
    16,941,968.70x = 137,939,288,921,716.12
  5. Step 5: Solve for x
    x = 137,939,288,921,716.12/16,941,968.70
  6. Step 6: Final answer
    x = 8,141,868.95

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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.