Home / 13,231,876.30-19,847,814.45-12,672,004.30

Finding the Fourth Proportional to 13,231,876.30, 19,847,814.45 and 12,672,004.30

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Solution

The fourth proportional to 13,231,876.30, 19,847,814.45 and 12,672,004.30 is: 19,008,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,876.30 : 19,847,814.45 = 12,672,004.30 : x
  2. Step 2: Convert to fraction form
    13,231,876.30/19,847,814.45 = 12,672,004.30/x
  3. Step 3: Cross multiply
    13,231,876.30x = 19,847,814.45 × 12,672,004.30
  4. Step 4: Simplify right side
    13,231,876.30x = 251,511,590,056,002.12
  5. Step 5: Solve for x
    x = 251,511,590,056,002.12/13,231,876.30
  6. Step 6: Final answer
    x = 19,008,006.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.