Home / 7,892,209.80-11,849,205.99-5,457,389.88

Finding the Fourth Proportional to 7,892,209.80, 11,849,205.99 and 5,457,389.88

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Solution

The fourth proportional to 7,892,209.80, 11,849,205.99 and 5,457,389.88 is: 8,193,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,209.80 : 11,849,205.99 = 5,457,389.88 : x
  2. Step 2: Convert to fraction form
    7,892,209.80/11,849,205.99 = 5,457,389.88/x
  3. Step 3: Cross multiply
    7,892,209.80x = 11,849,205.99 × 5,457,389.88
  4. Step 4: Simplify right side
    7,892,209.80x = 64,665,736,855,861.38
  5. Step 5: Solve for x
    x = 64,665,736,855,861.38/7,892,209.80
  6. Step 6: Final answer
    x = 8,193,616.05

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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.