Home / 21,361,522.74-29,478,775.22-11,572,153.54

Finding the Fourth Proportional to 21,361,522.74, 29,478,775.22 and 11,572,153.54

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Solution

The fourth proportional to 21,361,522.74, 29,478,775.22 and 11,572,153.54 is: 15,969,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361,522.74 : 29,478,775.22 = 11,572,153.54 : x
  2. Step 2: Convert to fraction form
    21,361,522.74/29,478,775.22 = 11,572,153.54/x
  3. Step 3: Cross multiply
    21,361,522.74x = 29,478,775.22 × 11,572,153.54
  4. Step 4: Simplify right side
    21,361,522.74x = 341,132,913,016,987.25
  5. Step 5: Solve for x
    x = 341,132,913,016,987.25/21,361,522.74
  6. Step 6: Final answer
    x = 15,969,503.54

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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.