Home / 10,977,121.28-16,467,890.16-3,788,933.60

Finding the Fourth Proportional to 10,977,121.28, 16,467,890.16 and 3,788,933.60

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Solution

The fourth proportional to 10,977,121.28, 16,467,890.16 and 3,788,933.60 is: 5,684,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,121.28 : 16,467,890.16 = 3,788,933.60 : x
  2. Step 2: Convert to fraction form
    10,977,121.28/16,467,890.16 = 3,788,933.60/x
  3. Step 3: Cross multiply
    10,977,121.28x = 16,467,890.16 × 3,788,933.60
  4. Step 4: Simplify right side
    10,977,121.28x = 62,395,742,348,333.38
  5. Step 5: Solve for x
    x = 62,395,742,348,333.38/10,977,121.28
  6. Step 6: Final answer
    x = 5,684,162.61

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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.