Home / 13,643,372.52-18,827,359.74-7,531,669.80

Finding the Fourth Proportional to 13,643,372.52, 18,827,359.74 and 7,531,669.80

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Solution

The fourth proportional to 13,643,372.52, 18,827,359.74 and 7,531,669.80 is: 10,393,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,372.52 : 18,827,359.74 = 7,531,669.80 : x
  2. Step 2: Convert to fraction form
    13,643,372.52/18,827,359.74 = 7,531,669.80/x
  3. Step 3: Cross multiply
    13,643,372.52x = 18,827,359.74 × 7,531,669.80
  4. Step 4: Simplify right side
    13,643,372.52x = 141,801,456,767,493.84
  5. Step 5: Solve for x
    x = 141,801,456,767,493.84/13,643,372.52
  6. Step 6: Final answer
    x = 10,393,431.43

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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.