Home / 17,628,478.39-26,428,810.64-11,137,872.91

Finding the Fourth Proportional to 17,628,478.39, 26,428,810.64 and 11,137,872.91

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Solution

The fourth proportional to 17,628,478.39, 26,428,810.64 and 11,137,872.91 is: 16,698,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628,478.39 : 26,428,810.64 = 11,137,872.91 : x
  2. Step 2: Convert to fraction form
    17,628,478.39/26,428,810.64 = 11,137,872.91/x
  3. Step 3: Cross multiply
    17,628,478.39x = 26,428,810.64 × 11,137,872.91
  4. Step 4: Simplify right side
    17,628,478.39x = 294,360,734,070,775.75
  5. Step 5: Solve for x
    x = 294,360,734,070,775.75/17,628,478.39
  6. Step 6: Final answer
    x = 16,698,022.80

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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.