Home / 15,364,058.56-21,200,593.80-8,488,130.56

Finding the Fourth Proportional to 15,364,058.56, 21,200,593.80 and 8,488,130.56

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Solution

The fourth proportional to 15,364,058.56, 21,200,593.80 and 8,488,130.56 is: 11,712,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364,058.56 : 21,200,593.80 = 8,488,130.56 : x
  2. Step 2: Convert to fraction form
    15,364,058.56/21,200,593.80 = 8,488,130.56/x
  3. Step 3: Cross multiply
    15,364,058.56x = 21,200,593.80 × 8,488,130.56
  4. Step 4: Simplify right side
    15,364,058.56x = 179,953,408,123,926.53
  5. Step 5: Solve for x
    x = 179,953,408,123,926.53/15,364,058.56
  6. Step 6: Final answer
    x = 11,712,621.86

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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.