Home / 8,985,633.66-12,400,173.80-4,855,666.65

Finding the Fourth Proportional to 8,985,633.66, 12,400,173.80 and 4,855,666.65

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Solution

The fourth proportional to 8,985,633.66, 12,400,173.80 and 4,855,666.65 is: 6,700,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985,633.66 : 12,400,173.80 = 4,855,666.65 : x
  2. Step 2: Convert to fraction form
    8,985,633.66/12,400,173.80 = 4,855,666.65/x
  3. Step 3: Cross multiply
    8,985,633.66x = 12,400,173.80 × 4,855,666.65
  4. Step 4: Simplify right side
    8,985,633.66x = 60,211,110,322,293.54
  5. Step 5: Solve for x
    x = 60,211,110,322,293.54/8,985,633.66
  6. Step 6: Final answer
    x = 6,700,819.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.