Home / 20,118,661.22-27,764,423.09-11,299,666.61

Finding the Fourth Proportional to 20,118,661.22, 27,764,423.09 and 11,299,666.61

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Solution

The fourth proportional to 20,118,661.22, 27,764,423.09 and 11,299,666.61 is: 15,593,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,661.22 : 27,764,423.09 = 11,299,666.61 : x
  2. Step 2: Convert to fraction form
    20,118,661.22/27,764,423.09 = 11,299,666.61/x
  3. Step 3: Cross multiply
    20,118,661.22x = 27,764,423.09 × 11,299,666.61
  4. Step 4: Simplify right side
    20,118,661.22x = 313,728,724,482,748.31
  5. Step 5: Solve for x
    x = 313,728,724,482,748.31/20,118,661.22
  6. Step 6: Final answer
    x = 15,593,916.57

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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.