Home / 11,720,771.60-17,578,824.60-5,655,491.60

Finding the Fourth Proportional to 11,720,771.60, 17,578,824.60 and 5,655,491.60

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Solution

The fourth proportional to 11,720,771.60, 17,578,824.60 and 5,655,491.60 is: 8,482,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720,771.60 : 17,578,824.60 = 5,655,491.60 : x
  2. Step 2: Convert to fraction form
    11,720,771.60/17,578,824.60 = 5,655,491.60/x
  3. Step 3: Cross multiply
    11,720,771.60x = 17,578,824.60 × 5,655,491.60
  4. Step 4: Simplify right side
    11,720,771.60x = 99,416,894,863,173.36
  5. Step 5: Solve for x
    x = 99,416,894,863,173.36/11,720,771.60
  6. Step 6: Final answer
    x = 8,482,111.78

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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.