Home / 21,546,806.90-29,735,310.20-11,757,788.01

Finding the Fourth Proportional to 21,546,806.90, 29,735,310.20 and 11,757,788.01

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Solution

The fourth proportional to 21,546,806.90, 29,735,310.20 and 11,757,788.01 is: 16,226,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,806.90 : 29,735,310.20 = 11,757,788.01 : x
  2. Step 2: Convert to fraction form
    21,546,806.90/29,735,310.20 = 11,757,788.01/x
  3. Step 3: Cross multiply
    21,546,806.90x = 29,735,310.20 × 11,757,788.01
  4. Step 4: Simplify right side
    21,546,806.90x = 349,621,473,684,401.75
  5. Step 5: Solve for x
    x = 349,621,473,684,401.75/21,546,806.90
  6. Step 6: Final answer
    x = 16,226,138.54

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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.