Home / 13,524,670.61-18,665,959.44-8,369,692.91

Finding the Fourth Proportional to 13,524,670.61, 18,665,959.44 and 8,369,692.91

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Solution

The fourth proportional to 13,524,670.61, 18,665,959.44 and 8,369,692.91 is: 11,551,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,670.61 : 18,665,959.44 = 8,369,692.91 : x
  2. Step 2: Convert to fraction form
    13,524,670.61/18,665,959.44 = 8,369,692.91/x
  3. Step 3: Cross multiply
    13,524,670.61x = 18,665,959.44 × 8,369,692.91
  4. Step 4: Simplify right side
    13,524,670.61x = 156,228,348,289,985.78
  5. Step 5: Solve for x
    x = 156,228,348,289,985.78/13,524,670.61
  6. Step 6: Final answer
    x = 11,551,360.68

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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.