Home / 18,684,731.80-28,027,097.70-17,967,286.46

Finding the Fourth Proportional to 18,684,731.80, 28,027,097.70 and 17,967,286.46

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Solution

The fourth proportional to 18,684,731.80, 28,027,097.70 and 17,967,286.46 is: 26,950,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,731.80 : 28,027,097.70 = 17,967,286.46 : x
  2. Step 2: Convert to fraction form
    18,684,731.80/28,027,097.70 = 17,967,286.46/x
  3. Step 3: Cross multiply
    18,684,731.80x = 28,027,097.70 × 17,967,286.46
  4. Step 4: Simplify right side
    18,684,731.80x = 503,570,893,018,307.12
  5. Step 5: Solve for x
    x = 503,570,893,018,307.12/18,684,731.80
  6. Step 6: Final answer
    x = 26,950,929.69

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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.