Home / 8,318,814.42-11,477,995.68-4,832,081.76

Finding the Fourth Proportional to 8,318,814.42, 11,477,995.68 and 4,832,081.76

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Solution

The fourth proportional to 8,318,814.42, 11,477,995.68 and 4,832,081.76 is: 6,667,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,814.42 : 11,477,995.68 = 4,832,081.76 : x
  2. Step 2: Convert to fraction form
    8,318,814.42/11,477,995.68 = 4,832,081.76/x
  3. Step 3: Cross multiply
    8,318,814.42x = 11,477,995.68 × 4,832,081.76
  4. Step 4: Simplify right side
    8,318,814.42x = 55,462,613,566,686.79
  5. Step 5: Solve for x
    x = 55,462,613,566,686.79/8,318,814.42
  6. Step 6: Final answer
    x = 6,667,129.57

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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.