Home / 22,165,238.25-30,587,739.08-12,375,849.06

Finding the Fourth Proportional to 22,165,238.25, 30,587,739.08 and 12,375,849.06

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Solution

The fourth proportional to 22,165,238.25, 30,587,739.08 and 12,375,849.06 is: 17,078,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165,238.25 : 30,587,739.08 = 12,375,849.06 : x
  2. Step 2: Convert to fraction form
    22,165,238.25/30,587,739.08 = 12,375,849.06/x
  3. Step 3: Cross multiply
    22,165,238.25x = 30,587,739.08 × 12,375,849.06
  4. Step 4: Simplify right side
    22,165,238.25x = 378,549,241,878,864
  5. Step 5: Solve for x
    x = 378,549,241,878,864/22,165,238.25
  6. Step 6: Final answer
    x = 17,078,509.94

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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.