Home / 8,178,855.12-11,286,673.26-4,457,719.62

Finding the Fourth Proportional to 8,178,855.12, 11,286,673.26 and 4,457,719.62

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Solution

The fourth proportional to 8,178,855.12, 11,286,673.26 and 4,457,719.62 is: 6,151,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,855.12 : 11,286,673.26 = 4,457,719.62 : x
  2. Step 2: Convert to fraction form
    8,178,855.12/11,286,673.26 = 4,457,719.62/x
  3. Step 3: Cross multiply
    8,178,855.12x = 11,286,673.26 × 4,457,719.62
  4. Step 4: Simplify right side
    8,178,855.12x = 50,312,824,835,631.36
  5. Step 5: Solve for x
    x = 50,312,824,835,631.36/8,178,855.12
  6. Step 6: Final answer
    x = 6,151,573.06

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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.