Home / 39,929,523.37-55,102,779.09-21,594,808.87

Finding the Fourth Proportional to 39,929,523.37, 55,102,779.09 and 21,594,808.87

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Solution

The fourth proportional to 39,929,523.37, 55,102,779.09 and 21,594,808.87 is: 29,800,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,523.37 : 55,102,779.09 = 21,594,808.87 : x
  2. Step 2: Convert to fraction form
    39,929,523.37/55,102,779.09 = 21,594,808.87/x
  3. Step 3: Cross multiply
    39,929,523.37x = 55,102,779.09 × 21,594,808.87
  4. Step 4: Simplify right side
    39,929,523.37x = 1,189,933,982,516,625.75
  5. Step 5: Solve for x
    x = 1,189,933,982,516,625.75/39,929,523.37
  6. Step 6: Final answer
    x = 29,800,856.16

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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.