Home / 6,666,819.86-10,000,156.88-1,618,130.36

Finding the Fourth Proportional to 6,666,819.86, 10,000,156.88 and 1,618,130.36

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Solution

The fourth proportional to 6,666,819.86, 10,000,156.88 and 1,618,130.36 is: 2,427,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,819.86 : 10,000,156.88 = 1,618,130.36 : x
  2. Step 2: Convert to fraction form
    6,666,819.86/10,000,156.88 = 1,618,130.36/x
  3. Step 3: Cross multiply
    6,666,819.86x = 10,000,156.88 × 1,618,130.36
  4. Step 4: Simplify right side
    6,666,819.86x = 16,181,557,452,290.88
  5. Step 5: Solve for x
    x = 16,181,557,452,290.88/6,666,819.86
  6. Step 6: Final answer
    x = 2,427,177.84

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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.