Home / 15,675,008.42-21,631,778.94-8,610,899.44

Finding the Fourth Proportional to 15,675,008.42, 21,631,778.94 and 8,610,899.44

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Solution

The fourth proportional to 15,675,008.42, 21,631,778.94 and 8,610,899.44 is: 11,883,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,008.42 : 21,631,778.94 = 8,610,899.44 : x
  2. Step 2: Convert to fraction form
    15,675,008.42/21,631,778.94 = 8,610,899.44/x
  3. Step 3: Cross multiply
    15,675,008.42x = 21,631,778.94 × 8,610,899.44
  4. Step 4: Simplify right side
    15,675,008.42x = 186,269,073,160,649.78
  5. Step 5: Solve for x
    x = 186,269,073,160,649.78/15,675,008.42
  6. Step 6: Final answer
    x = 11,883,188.08

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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.