Home / 14,786,690.81-20,404,904.60-8,259,020.69

Finding the Fourth Proportional to 14,786,690.81, 20,404,904.60 and 8,259,020.69

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Solution

The fourth proportional to 14,786,690.81, 20,404,904.60 and 8,259,020.69 is: 11,397,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786,690.81 : 20,404,904.60 = 8,259,020.69 : x
  2. Step 2: Convert to fraction form
    14,786,690.81/20,404,904.60 = 8,259,020.69/x
  3. Step 3: Cross multiply
    14,786,690.81x = 20,404,904.60 × 8,259,020.69
  4. Step 4: Simplify right side
    14,786,690.81x = 168,524,529,187,499.19
  5. Step 5: Solve for x
    x = 168,524,529,187,499.19/14,786,690.81
  6. Step 6: Final answer
    x = 11,397,041.53

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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.