Home / 21,397,265.88-29,528,226.60-12,230,105.40

Finding the Fourth Proportional to 21,397,265.88, 29,528,226.60 and 12,230,105.40

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Solution

The fourth proportional to 21,397,265.88, 29,528,226.60 and 12,230,105.40 is: 16,877,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,265.88 : 29,528,226.60 = 12,230,105.40 : x
  2. Step 2: Convert to fraction form
    21,397,265.88/29,528,226.60 = 12,230,105.40/x
  3. Step 3: Cross multiply
    21,397,265.88x = 29,528,226.60 × 12,230,105.40
  4. Step 4: Simplify right side
    21,397,265.88x = 361,133,323,593,083.69
  5. Step 5: Solve for x
    x = 361,133,323,593,083.69/21,397,265.88
  6. Step 6: Final answer
    x = 16,877,545.27

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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.