Home / 21,540,216.09-29,725,498.26-11,750,699.77

Finding the Fourth Proportional to 21,540,216.09, 29,725,498.26 and 11,750,699.77

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Solution

The fourth proportional to 21,540,216.09, 29,725,498.26 and 11,750,699.77 is: 16,215,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540,216.09 : 29,725,498.26 = 11,750,699.77 : x
  2. Step 2: Convert to fraction form
    21,540,216.09/29,725,498.26 = 11,750,699.77/x
  3. Step 3: Cross multiply
    21,540,216.09x = 29,725,498.26 × 11,750,699.77
  4. Step 4: Simplify right side
    21,540,216.09x = 349,295,405,492,603.69
  5. Step 5: Solve for x
    x = 349,295,405,492,603.69/21,540,216.09
  6. Step 6: Final answer
    x = 16,215,965.71

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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.