Home / 12,986,408-17,921,304.48-7,263,272

Finding the Fourth Proportional to 12,986,408, 17,921,304.48 and 7,263,272

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Solution

The fourth proportional to 12,986,408, 17,921,304.48 and 7,263,272 is: 10,023,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,408 : 17,921,304.48 = 7,263,272 : x
  2. Step 2: Convert to fraction form
    12,986,408/17,921,304.48 = 7,263,272/x
  3. Step 3: Cross multiply
    12,986,408x = 17,921,304.48 × 7,263,272
  4. Step 4: Simplify right side
    12,986,408x = 130,167,309,033,058.56
  5. Step 5: Solve for x
    x = 130,167,309,033,058.56/12,986,408
  6. Step 6: Final answer
    x = 10,023,349.72

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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.