Home / 21,708,133.52-32,531,586.92-11,997,119.52

Finding the Fourth Proportional to 21,708,133.52, 32,531,586.92 and 11,997,119.52

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Solution

The fourth proportional to 21,708,133.52, 32,531,586.92 and 11,997,119.52 is: 17,978,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,133.52 : 32,531,586.92 = 11,997,119.52 : x
  2. Step 2: Convert to fraction form
    21,708,133.52/32,531,586.92 = 11,997,119.52/x
  3. Step 3: Cross multiply
    21,708,133.52x = 32,531,586.92 × 11,997,119.52
  4. Step 4: Simplify right side
    21,708,133.52x = 390,285,336,454,508.69
  5. Step 5: Solve for x
    x = 390,285,336,454,508.69/21,708,133.52
  6. Step 6: Final answer
    x = 17,978,760.64

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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.