Home / 20,893,855.80-31,340,783.70-6,516,900.53

Finding the Fourth Proportional to 20,893,855.80, 31,340,783.70 and 6,516,900.53

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Solution

The fourth proportional to 20,893,855.80, 31,340,783.70 and 6,516,900.53 is: 9,775,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893,855.80 : 31,340,783.70 = 6,516,900.53 : x
  2. Step 2: Convert to fraction form
    20,893,855.80/31,340,783.70 = 6,516,900.53/x
  3. Step 3: Cross multiply
    20,893,855.80x = 31,340,783.70 × 6,516,900.53
  4. Step 4: Simplify right side
    20,893,855.80x = 204,244,769,748,441.44
  5. Step 5: Solve for x
    x = 204,244,769,748,441.44/20,893,855.80
  6. Step 6: Final answer
    x = 9,775,350.79

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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.