Home / 17,909,434.92-26,861,527.96-8,809,089.78

Finding the Fourth Proportional to 17,909,434.92, 26,861,527.96 and 8,809,089.78

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Solution

The fourth proportional to 17,909,434.92, 26,861,527.96 and 8,809,089.78 is: 13,212,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909,434.92 : 26,861,527.96 = 8,809,089.78 : x
  2. Step 2: Convert to fraction form
    17,909,434.92/26,861,527.96 = 8,809,089.78/x
  3. Step 3: Cross multiply
    17,909,434.92x = 26,861,527.96 × 8,809,089.78
  4. Step 4: Simplify right side
    17,909,434.92x = 236,625,611,427,620.25
  5. Step 5: Solve for x
    x = 236,625,611,427,620.25/17,909,434.92
  6. Step 6: Final answer
    x = 13,212,343.80

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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.