Home / 13,642,951.50-18,827,309.52-7,531,380

Finding the Fourth Proportional to 13,642,951.50, 18,827,309.52 and 7,531,380

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Solution

The fourth proportional to 13,642,951.50, 18,827,309.52 and 7,531,380 is: 10,393,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,951.50 : 18,827,309.52 = 7,531,380 : x
  2. Step 2: Convert to fraction form
    13,642,951.50/18,827,309.52 = 7,531,380/x
  3. Step 3: Cross multiply
    13,642,951.50x = 18,827,309.52 × 7,531,380
  4. Step 4: Simplify right side
    13,642,951.50x = 141,795,622,372,737.59
  5. Step 5: Solve for x
    x = 141,795,622,372,737.59/13,642,951.50
  6. Step 6: Final answer
    x = 10,393,324.52

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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.