Home / 6,666,820.92-10,000,158.45-1,618,131.42

Finding the Fourth Proportional to 6,666,820.92, 10,000,158.45 and 1,618,131.42

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Solution

The fourth proportional to 6,666,820.92, 10,000,158.45 and 1,618,131.42 is: 2,427,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,820.92 : 10,000,158.45 = 1,618,131.42 : x
  2. Step 2: Convert to fraction form
    6,666,820.92/10,000,158.45 = 1,618,131.42/x
  3. Step 3: Cross multiply
    6,666,820.92x = 10,000,158.45 × 1,618,131.42
  4. Step 4: Simplify right side
    6,666,820.92x = 16,181,570,592,923.50
  5. Step 5: Solve for x
    x = 16,181,570,592,923.50/6,666,820.92
  6. Step 6: Final answer
    x = 2,427,179.43

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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.