Home / 21,738,514.55-29,998,746.50-11,948,749.45

Finding the Fourth Proportional to 21,738,514.55, 29,998,746.50 and 11,948,749.45

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Solution

The fourth proportional to 21,738,514.55, 29,998,746.50 and 11,948,749.45 is: 16,489,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738,514.55 : 29,998,746.50 = 11,948,749.45 : x
  2. Step 2: Convert to fraction form
    21,738,514.55/29,998,746.50 = 11,948,749.45/x
  3. Step 3: Cross multiply
    21,738,514.55x = 29,998,746.50 × 11,948,749.45
  4. Step 4: Simplify right side
    21,738,514.55x = 358,447,505,607,823.81
  5. Step 5: Solve for x
    x = 358,447,505,607,823.81/21,738,514.55
  6. Step 6: Final answer
    x = 16,489,052.41

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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.