Home / 21,755,772.99-30,023,026.65-11,967,220.26

Finding the Fourth Proportional to 21,755,772.99, 30,023,026.65 and 11,967,220.26

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Solution

The fourth proportional to 21,755,772.99, 30,023,026.65 and 11,967,220.26 is: 16,514,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755,772.99 : 30,023,026.65 = 11,967,220.26 : x
  2. Step 2: Convert to fraction form
    21,755,772.99/30,023,026.65 = 11,967,220.26/x
  3. Step 3: Cross multiply
    21,755,772.99x = 30,023,026.65 × 11,967,220.26
  4. Step 4: Simplify right side
    21,755,772.99x = 359,292,172,792,399.88
  5. Step 5: Solve for x
    x = 359,292,172,792,399.88/21,755,772.99
  6. Step 6: Final answer
    x = 16,514,796.92

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1.5x scale

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.