Home / 13,619,078.53-18,793,649.14-7,737,935.90

Finding the Fourth Proportional to 13,619,078.53, 18,793,649.14 and 7,737,935.90

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Solution

The fourth proportional to 13,619,078.53, 18,793,649.14 and 7,737,935.90 is: 10,677,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,078.53 : 18,793,649.14 = 7,737,935.90 : x
  2. Step 2: Convert to fraction form
    13,619,078.53/18,793,649.14 = 7,737,935.90/x
  3. Step 3: Cross multiply
    13,619,078.53x = 18,793,649.14 × 7,737,935.90
  4. Step 4: Simplify right side
    13,619,078.53x = 145,424,052,259,097.03
  5. Step 5: Solve for x
    x = 145,424,052,259,097.03/13,619,078.53
  6. Step 6: Final answer
    x = 10,677,965.62

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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.