Home / 6,811,390.20-10,212,419.70-3,218,878.20

Finding the Fourth Proportional to 6,811,390.20, 10,212,419.70 and 3,218,878.20

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Solution

The fourth proportional to 6,811,390.20, 10,212,419.70 and 3,218,878.20 is: 4,826,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811,390.20 : 10,212,419.70 = 3,218,878.20 : x
  2. Step 2: Convert to fraction form
    6,811,390.20/10,212,419.70 = 3,218,878.20/x
  3. Step 3: Cross multiply
    6,811,390.20x = 10,212,419.70 × 3,218,878.20
  4. Step 4: Simplify right side
    6,811,390.20x = 32,872,535,141,580.54
  5. Step 5: Solve for x
    x = 32,872,535,141,580.54/6,811,390.20
  6. Step 6: Final answer
    x = 4,826,112.46

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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.