Home / 6,666,819.42-10,000,156.21-1,618,129.92

Finding the Fourth Proportional to 6,666,819.42, 10,000,156.21 and 1,618,129.92

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Solution

The fourth proportional to 6,666,819.42, 10,000,156.21 and 1,618,129.92 is: 2,427,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,819.42 : 10,000,156.21 = 1,618,129.92 : x
  2. Step 2: Convert to fraction form
    6,666,819.42/10,000,156.21 = 1,618,129.92/x
  3. Step 3: Cross multiply
    6,666,819.42x = 10,000,156.21 × 1,618,129.92
  4. Step 4: Simplify right side
    6,666,819.42x = 16,181,551,964,029.48
  5. Step 5: Solve for x
    x = 16,181,551,964,029.48/6,666,819.42
  6. Step 6: Final answer
    x = 2,427,177.18

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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.