Home / 17,670,855.40-26,490,731.10-11,972,602.60

Finding the Fourth Proportional to 17,670,855.40, 26,490,731.10 and 11,972,602.60

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Solution

The fourth proportional to 17,670,855.40, 26,490,731.10 and 11,972,602.60 is: 17,948,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,855.40 : 26,490,731.10 = 11,972,602.60 : x
  2. Step 2: Convert to fraction form
    17,670,855.40/26,490,731.10 = 11,972,602.60/x
  3. Step 3: Cross multiply
    17,670,855.40x = 26,490,731.10 × 11,972,602.60
  4. Step 4: Simplify right side
    17,670,855.40x = 317,162,996,043,760.88
  5. Step 5: Solve for x
    x = 317,162,996,043,760.88/17,670,855.40
  6. Step 6: Final answer
    x = 17,948,366.89

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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.