Home / 36,921,271.72-50,954,260.64-21,027,027.30

Finding the Fourth Proportional to 36,921,271.72, 50,954,260.64 and 21,027,027.30

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Solution

The fourth proportional to 36,921,271.72, 50,954,260.64 and 21,027,027.30 is: 29,018,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921,271.72 : 50,954,260.64 = 21,027,027.30 : x
  2. Step 2: Convert to fraction form
    36,921,271.72/50,954,260.64 = 21,027,027.30/x
  3. Step 3: Cross multiply
    36,921,271.72x = 50,954,260.64 × 21,027,027.30
  4. Step 4: Simplify right side
    36,921,271.72x = 1,071,416,629,528,595.50
  5. Step 5: Solve for x
    x = 1,071,416,629,528,595.50/36,921,271.72
  6. Step 6: Final answer
    x = 29,018,952.48

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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.