Home / 21,539,945.88-29,725,222.68-11,750,359.68

Finding the Fourth Proportional to 21,539,945.88, 29,725,222.68 and 11,750,359.68

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Solution

The fourth proportional to 21,539,945.88, 29,725,222.68 and 11,750,359.68 is: 16,215,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539,945.88 : 29,725,222.68 = 11,750,359.68 : x
  2. Step 2: Convert to fraction form
    21,539,945.88/29,725,222.68 = 11,750,359.68/x
  3. Step 3: Cross multiply
    21,539,945.88x = 29,725,222.68 × 11,750,359.68
  4. Step 4: Simplify right side
    21,539,945.88x = 349,282,058,058,093.50
  5. Step 5: Solve for x
    x = 349,282,058,058,093.50/21,539,945.88
  6. Step 6: Final answer
    x = 16,215,549.47

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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.