Home / 12,251,496.20-18,349,250.70-7,212,648.20

Finding the Fourth Proportional to 12,251,496.20, 18,349,250.70 and 7,212,648.20

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Solution

The fourth proportional to 12,251,496.20, 18,349,250.70 and 7,212,648.20 is: 10,802,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,496.20 : 18,349,250.70 = 7,212,648.20 : x
  2. Step 2: Convert to fraction form
    12,251,496.20/18,349,250.70 = 7,212,648.20/x
  3. Step 3: Cross multiply
    12,251,496.20x = 18,349,250.70 × 7,212,648.20
  4. Step 4: Simplify right side
    12,251,496.20x = 132,346,690,032,703.73
  5. Step 5: Solve for x
    x = 132,346,690,032,703.73/12,251,496.20
  6. Step 6: Final answer
    x = 10,802,492.03

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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.