Home / 12,309,825.80-18,464,738.70-12,141,864.20

Finding the Fourth Proportional to 12,309,825.80, 18,464,738.70 and 12,141,864.20

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Solution

The fourth proportional to 12,309,825.80, 18,464,738.70 and 12,141,864.20 is: 18,212,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,825.80 : 18,464,738.70 = 12,141,864.20 : x
  2. Step 2: Convert to fraction form
    12,309,825.80/18,464,738.70 = 12,141,864.20/x
  3. Step 3: Cross multiply
    12,309,825.80x = 18,464,738.70 × 12,141,864.20
  4. Step 4: Simplify right side
    12,309,825.80x = 224,196,349,783,884.53
  5. Step 5: Solve for x
    x = 224,196,349,783,884.53/12,309,825.80
  6. Step 6: Final answer
    x = 18,212,796.30

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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.