Home / 8,178,861.57-11,286,368.38-4,507,767.01

Finding the Fourth Proportional to 8,178,861.57, 11,286,368.38 and 4,507,767.01

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Solution

The fourth proportional to 8,178,861.57, 11,286,368.38 and 4,507,767.01 is: 6,220,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,861.57 : 11,286,368.38 = 4,507,767.01 : x
  2. Step 2: Convert to fraction form
    8,178,861.57/11,286,368.38 = 4,507,767.01/x
  3. Step 3: Cross multiply
    8,178,861.57x = 11,286,368.38 × 4,507,767.01
  4. Step 4: Simplify right side
    8,178,861.57x = 50,876,319,023,532.30
  5. Step 5: Solve for x
    x = 50,876,319,023,532.30/8,178,861.57
  6. Step 6: Final answer
    x = 6,220,464.62

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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.