Home / 21,504,953.85-29,676,784.36-11,715,478.48

Finding the Fourth Proportional to 21,504,953.85, 29,676,784.36 and 11,715,478.48

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Solution

The fourth proportional to 21,504,953.85, 29,676,784.36 and 11,715,478.48 is: 16,167,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,953.85 : 29,676,784.36 = 11,715,478.48 : x
  2. Step 2: Convert to fraction form
    21,504,953.85/29,676,784.36 = 11,715,478.48/x
  3. Step 3: Cross multiply
    21,504,953.85x = 29,676,784.36 × 11,715,478.48
  4. Step 4: Simplify right side
    21,504,953.85x = 347,677,728,525,180.56
  5. Step 5: Solve for x
    x = 347,677,728,525,180.56/21,504,953.85
  6. Step 6: Final answer
    x = 16,167,332.00

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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.