Home / 18,670,822.40-28,006,233.60-7,307,494.40

Finding the Fourth Proportional to 18,670,822.40, 28,006,233.60 and 7,307,494.40

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Solution

The fourth proportional to 18,670,822.40, 28,006,233.60 and 7,307,494.40 is: 10,961,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,822.40 : 28,006,233.60 = 7,307,494.40 : x
  2. Step 2: Convert to fraction form
    18,670,822.40/28,006,233.60 = 7,307,494.40/x
  3. Step 3: Cross multiply
    18,670,822.40x = 28,006,233.60 × 7,307,494.40
  4. Step 4: Simplify right side
    18,670,822.40x = 204,655,395,197,091.88
  5. Step 5: Solve for x
    x = 204,655,395,197,091.88/18,670,822.40
  6. Step 6: Final answer
    x = 10,961,241.60

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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.