Home / 21,043,085.85-29,036,545.07-11,749,521.69

Finding the Fourth Proportional to 21,043,085.85, 29,036,545.07 and 11,749,521.69

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Solution

The fourth proportional to 21,043,085.85, 29,036,545.07 and 11,749,521.69 is: 16,212,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043,085.85 : 29,036,545.07 = 11,749,521.69 : x
  2. Step 2: Convert to fraction form
    21,043,085.85/29,036,545.07 = 11,749,521.69/x
  3. Step 3: Cross multiply
    21,043,085.85x = 29,036,545.07 × 11,749,521.69
  4. Step 4: Simplify right side
    21,043,085.85x = 341,165,516,043,879.94
  5. Step 5: Solve for x
    x = 341,165,516,043,879.94/21,043,085.85
  6. Step 6: Final answer
    x = 16,212,713.21

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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.