Home / 21,133,295.37-29,177,937.30-16,229,718.78

Finding the Fourth Proportional to 21,133,295.37, 29,177,937.30 and 16,229,718.78

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Solution

The fourth proportional to 21,133,295.37, 29,177,937.30 and 16,229,718.78 is: 22,407,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133,295.37 : 29,177,937.30 = 16,229,718.78 : x
  2. Step 2: Convert to fraction form
    21,133,295.37/29,177,937.30 = 16,229,718.78/x
  3. Step 3: Cross multiply
    21,133,295.37x = 29,177,937.30 × 16,229,718.78
  4. Step 4: Simplify right side
    21,133,295.37x = 473,549,716,959,472.50
  5. Step 5: Solve for x
    x = 473,549,716,959,472.50/21,133,295.37
  6. Step 6: Final answer
    x = 22,407,755.57

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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.