Home / 12,203,899.11-16,840,154.79-7,308,995.85

Finding the Fourth Proportional to 12,203,899.11, 16,840,154.79 and 7,308,995.85

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Solution

The fourth proportional to 12,203,899.11, 16,840,154.79 and 7,308,995.85 is: 10,085,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,899.11 : 16,840,154.79 = 7,308,995.85 : x
  2. Step 2: Convert to fraction form
    12,203,899.11/16,840,154.79 = 7,308,995.85/x
  3. Step 3: Cross multiply
    12,203,899.11x = 16,840,154.79 × 7,308,995.85
  4. Step 4: Simplify right side
    12,203,899.11x = 123,084,621,473,467.61
  5. Step 5: Solve for x
    x = 123,084,621,473,467.61/12,203,899.11
  6. Step 6: Final answer
    x = 10,085,680.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.