Home / 21,225,758.50-29,296,680.11-19,789,686.82

Finding the Fourth Proportional to 21,225,758.50, 29,296,680.11 and 19,789,686.82

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Solution

The fourth proportional to 21,225,758.50, 29,296,680.11 and 19,789,686.82 is: 27,314,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,758.50 : 29,296,680.11 = 19,789,686.82 : x
  2. Step 2: Convert to fraction form
    21,225,758.50/29,296,680.11 = 19,789,686.82/x
  3. Step 3: Cross multiply
    21,225,758.50x = 29,296,680.11 × 19,789,686.82
  4. Step 4: Simplify right side
    21,225,758.50x = 579,772,124,254,506.88
  5. Step 5: Solve for x
    x = 579,772,124,254,506.88/21,225,758.50
  6. Step 6: Final answer
    x = 27,314,553.88

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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.