Home / 15,415,583.22-21,272,692.07-8,799,909.14

Finding the Fourth Proportional to 15,415,583.22, 21,272,692.07 and 8,799,909.14

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Solution

The fourth proportional to 15,415,583.22, 21,272,692.07 and 8,799,909.14 is: 12,143,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,583.22 : 21,272,692.07 = 8,799,909.14 : x
  2. Step 2: Convert to fraction form
    15,415,583.22/21,272,692.07 = 8,799,909.14/x
  3. Step 3: Cross multiply
    15,415,583.22x = 21,272,692.07 × 8,799,909.14
  4. Step 4: Simplify right side
    15,415,583.22x = 187,197,757,379,198.53
  5. Step 5: Solve for x
    x = 187,197,757,379,198.53/15,415,583.22
  6. Step 6: Final answer
    x = 12,143,410.65

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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.