Home / 20,273,100.67-27,976,656.22-10,980,439.57

Finding the Fourth Proportional to 20,273,100.67, 27,976,656.22 and 10,980,439.57

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Solution

The fourth proportional to 20,273,100.67, 27,976,656.22 and 10,980,439.57 is: 15,152,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,100.67 : 27,976,656.22 = 10,980,439.57 : x
  2. Step 2: Convert to fraction form
    20,273,100.67/27,976,656.22 = 10,980,439.57/x
  3. Step 3: Cross multiply
    20,273,100.67x = 27,976,656.22 × 10,980,439.57
  4. Step 4: Simplify right side
    20,273,100.67x = 307,195,982,994,374.62
  5. Step 5: Solve for x
    x = 307,195,982,994,374.62/20,273,100.67
  6. Step 6: Final answer
    x = 15,152,885.98

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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.