Home / 19,405,391.80-29,108,087.70-13,732,022.20

Finding the Fourth Proportional to 19,405,391.80, 29,108,087.70 and 13,732,022.20

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Solution

The fourth proportional to 19,405,391.80, 29,108,087.70 and 13,732,022.20 is: 20,598,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405,391.80 : 29,108,087.70 = 13,732,022.20 : x
  2. Step 2: Convert to fraction form
    19,405,391.80/29,108,087.70 = 13,732,022.20/x
  3. Step 3: Cross multiply
    19,405,391.80x = 29,108,087.70 × 13,732,022.20
  4. Step 4: Simplify right side
    19,405,391.80x = 399,712,906,495,946.94
  5. Step 5: Solve for x
    x = 399,712,906,495,946.94/19,405,391.80
  6. Step 6: Final answer
    x = 20,598,033.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.