Home / 21,755,812.96-30,023,081.88-11,967,260.32

Finding the Fourth Proportional to 21,755,812.96, 30,023,081.88 and 11,967,260.32

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Solution

The fourth proportional to 21,755,812.96, 30,023,081.88 and 11,967,260.32 is: 16,514,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755,812.96 : 30,023,081.88 = 11,967,260.32 : x
  2. Step 2: Convert to fraction form
    21,755,812.96/30,023,081.88 = 11,967,260.32/x
  3. Step 3: Cross multiply
    21,755,812.96x = 30,023,081.88 × 11,967,260.32
  4. Step 4: Simplify right side
    21,755,812.96x = 359,294,036,466,635
  5. Step 5: Solve for x
    x = 359,294,036,466,635/21,755,812.96
  6. Step 6: Final answer
    x = 16,514,852.24

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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.