Home / 12,375,212.49-17,077,667.72-6,868,634.90

Finding the Fourth Proportional to 12,375,212.49, 17,077,667.72 and 6,868,634.90

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Solution

The fourth proportional to 12,375,212.49, 17,077,667.72 and 6,868,634.90 is: 9,478,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,212.49 : 17,077,667.72 = 6,868,634.90 : x
  2. Step 2: Convert to fraction form
    12,375,212.49/17,077,667.72 = 6,868,634.90/x
  3. Step 3: Cross multiply
    12,375,212.49x = 17,077,667.72 × 6,868,634.90
  4. Step 4: Simplify right side
    12,375,212.49x = 117,300,264,392,463.91
  5. Step 5: Solve for x
    x = 117,300,264,392,463.91/12,375,212.49
  6. Step 6: Final answer
    x = 9,478,646.49

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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.