Home / 19,855,760.10-29,780,094.78-5,282,763.36

Finding the Fourth Proportional to 19,855,760.10, 29,780,094.78 and 5,282,763.36

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Solution

The fourth proportional to 19,855,760.10, 29,780,094.78 and 5,282,763.36 is: 7,923,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855,760.10 : 29,780,094.78 = 5,282,763.36 : x
  2. Step 2: Convert to fraction form
    19,855,760.10/29,780,094.78 = 5,282,763.36/x
  3. Step 3: Cross multiply
    19,855,760.10x = 29,780,094.78 × 5,282,763.36
  4. Step 4: Simplify right side
    19,855,760.10x = 157,321,193,561,111.28
  5. Step 5: Solve for x
    x = 157,321,193,561,111.28/19,855,760.10
  6. Step 6: Final answer
    x = 7,923,201.77

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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.