Home / 15,436,549.80-21,303,408.60-8,561,031.93

Finding the Fourth Proportional to 15,436,549.80, 21,303,408.60 and 8,561,031.93

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Solution

The fourth proportional to 15,436,549.80, 21,303,408.60 and 8,561,031.93 is: 11,814,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436,549.80 : 21,303,408.60 = 8,561,031.93 : x
  2. Step 2: Convert to fraction form
    15,436,549.80/21,303,408.60 = 8,561,031.93/x
  3. Step 3: Cross multiply
    15,436,549.80x = 21,303,408.60 × 8,561,031.93
  4. Step 4: Simplify right side
    15,436,549.80x = 182,379,161,242,436.59
  5. Step 5: Solve for x
    x = 182,379,161,242,436.59/15,436,549.80
  6. Step 6: Final answer
    x = 11,814,761.95

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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.