Home / 21,014,442.30-31,521,663.45-13,834,083.90

Finding the Fourth Proportional to 21,014,442.30, 31,521,663.45 and 13,834,083.90

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Solution

The fourth proportional to 21,014,442.30, 31,521,663.45 and 13,834,083.90 is: 20,751,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,442.30 : 31,521,663.45 = 13,834,083.90 : x
  2. Step 2: Convert to fraction form
    21,014,442.30/31,521,663.45 = 13,834,083.90/x
  3. Step 3: Cross multiply
    21,014,442.30x = 31,521,663.45 × 13,834,083.90
  4. Step 4: Simplify right side
    21,014,442.30x = 436,073,336,834,863.44
  5. Step 5: Solve for x
    x = 436,073,336,834,863.44/21,014,442.30
  6. Step 6: Final answer
    x = 20,751,125.85

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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.