Home / 12,495,623-17,238,872.48-8,143,123.64

Finding the Fourth Proportional to 12,495,623, 17,238,872.48 and 8,143,123.64

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Solution

The fourth proportional to 12,495,623, 17,238,872.48 and 8,143,123.64 is: 11,234,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,623 : 17,238,872.48 = 8,143,123.64 : x
  2. Step 2: Convert to fraction form
    12,495,623/17,238,872.48 = 8,143,123.64/x
  3. Step 3: Cross multiply
    12,495,623x = 17,238,872.48 × 8,143,123.64
  4. Step 4: Simplify right side
    12,495,623x = 140,378,270,018,833.42
  5. Step 5: Solve for x
    x = 140,378,270,018,833.42/12,495,623
  6. Step 6: Final answer
    x = 11,234,195.37

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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.