Home / 20,726,940.40-31,090,410.60-16,397,263.60

Finding the Fourth Proportional to 20,726,940.40, 31,090,410.60 and 16,397,263.60

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Solution

The fourth proportional to 20,726,940.40, 31,090,410.60 and 16,397,263.60 is: 24,595,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,940.40 : 31,090,410.60 = 16,397,263.60 : x
  2. Step 2: Convert to fraction form
    20,726,940.40/31,090,410.60 = 16,397,263.60/x
  3. Step 3: Cross multiply
    20,726,940.40x = 31,090,410.60 × 16,397,263.60
  4. Step 4: Simplify right side
    20,726,940.40x = 509,797,658,040,434.19
  5. Step 5: Solve for x
    x = 509,797,658,040,434.19/20,726,940.40
  6. Step 6: Final answer
    x = 24,595,895.40

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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.