Home / 11,787,761.40-17,681,642.10-8,801,777.40

Finding the Fourth Proportional to 11,787,761.40, 17,681,642.10 and 8,801,777.40

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Solution

The fourth proportional to 11,787,761.40, 17,681,642.10 and 8,801,777.40 is: 13,202,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,761.40 : 17,681,642.10 = 8,801,777.40 : x
  2. Step 2: Convert to fraction form
    11,787,761.40/17,681,642.10 = 8,801,777.40/x
  3. Step 3: Cross multiply
    11,787,761.40x = 17,681,642.10 × 8,801,777.40
  4. Step 4: Simplify right side
    11,787,761.40x = 155,629,877,830,668.56
  5. Step 5: Solve for x
    x = 155,629,877,830,668.56/11,787,761.40
  6. Step 6: Final answer
    x = 13,202,666.10

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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.