Home / 20,671,873.56-31,012,481.84-6,838,799.90

Finding the Fourth Proportional to 20,671,873.56, 31,012,481.84 and 6,838,799.90

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Solution

The fourth proportional to 20,671,873.56, 31,012,481.84 and 6,838,799.90 is: 10,259,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,873.56 : 31,012,481.84 = 6,838,799.90 : x
  2. Step 2: Convert to fraction form
    20,671,873.56/31,012,481.84 = 6,838,799.90/x
  3. Step 3: Cross multiply
    20,671,873.56x = 31,012,481.84 × 6,838,799.90
  4. Step 4: Simplify right side
    20,671,873.56x = 212,088,157,516,887.41
  5. Step 5: Solve for x
    x = 212,088,157,516,887.41/20,671,873.56
  6. Step 6: Final answer
    x = 10,259,745.30

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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.