Home / 45,947,381.05-68,915,334.52-18,627,424.72

Finding the Fourth Proportional to 45,947,381.05, 68,915,334.52 and 18,627,424.72

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Solution

The fourth proportional to 45,947,381.05, 68,915,334.52 and 18,627,424.72 is: 27,938,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,947,381.05 : 68,915,334.52 = 18,627,424.72 : x
  2. Step 2: Convert to fraction form
    45,947,381.05/68,915,334.52 = 18,627,424.72/x
  3. Step 3: Cross multiply
    45,947,381.05x = 68,915,334.52 × 18,627,424.72
  4. Step 4: Simplify right side
    45,947,381.05x = 1,283,715,205,607,209.25
  5. Step 5: Solve for x
    x = 1,283,715,205,607,209.25/45,947,381.05
  6. Step 6: Final answer
    x = 27,938,811.23

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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.