Home / 21,858,605.40-32,787,908.10-15,476,064.60

Finding the Fourth Proportional to 21,858,605.40, 32,787,908.10 and 15,476,064.60

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Solution

The fourth proportional to 21,858,605.40, 32,787,908.10 and 15,476,064.60 is: 23,214,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,858,605.40 : 32,787,908.10 = 15,476,064.60 : x
  2. Step 2: Convert to fraction form
    21,858,605.40/32,787,908.10 = 15,476,064.60/x
  3. Step 3: Cross multiply
    21,858,605.40x = 32,787,908.10 × 15,476,064.60
  4. Step 4: Simplify right side
    21,858,605.40x = 507,427,783,854,463.25
  5. Step 5: Solve for x
    x = 507,427,783,854,463.25/21,858,605.40
  6. Step 6: Final answer
    x = 23,214,096.90

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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.