Home / 12,955,326.42-19,419,984.27-4,429,832.34

Finding the Fourth Proportional to 12,955,326.42, 19,419,984.27 and 4,429,832.34

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Solution

The fourth proportional to 12,955,326.42, 19,419,984.27 and 4,429,832.34 is: 6,640,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,326.42 : 19,419,984.27 = 4,429,832.34 : x
  2. Step 2: Convert to fraction form
    12,955,326.42/19,419,984.27 = 4,429,832.34/x
  3. Step 3: Cross multiply
    12,955,326.42x = 19,419,984.27 × 4,429,832.34
  4. Step 4: Simplify right side
    12,955,326.42x = 86,027,274,361,537.28
  5. Step 5: Solve for x
    x = 86,027,274,361,537.28/12,955,326.42
  6. Step 6: Final answer
    x = 6,640,301.57

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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.