Home / 17,419,936.35-26,128,216.10-5,289,506.43

Finding the Fourth Proportional to 17,419,936.35, 26,128,216.10 and 5,289,506.43

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Solution

The fourth proportional to 17,419,936.35, 26,128,216.10 and 5,289,506.43 is: 7,933,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,936.35 : 26,128,216.10 = 5,289,506.43 : x
  2. Step 2: Convert to fraction form
    17,419,936.35/26,128,216.10 = 5,289,506.43/x
  3. Step 3: Cross multiply
    17,419,936.35x = 26,128,216.10 × 5,289,506.43
  4. Step 4: Simplify right side
    17,419,936.35x = 138,205,367,038,931.98
  5. Step 5: Solve for x
    x = 138,205,367,038,931.98/17,419,936.35
  6. Step 6: Final answer
    x = 7,933,746.96

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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.