Home / 20,523,137.10-28,321,931.44-11,230,709.14

Finding the Fourth Proportional to 20,523,137.10, 28,321,931.44 and 11,230,709.14

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Solution

The fourth proportional to 20,523,137.10, 28,321,931.44 and 11,230,709.14 is: 15,498,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523,137.10 : 28,321,931.44 = 11,230,709.14 : x
  2. Step 2: Convert to fraction form
    20,523,137.10/28,321,931.44 = 11,230,709.14/x
  3. Step 3: Cross multiply
    20,523,137.10x = 28,321,931.44 × 11,230,709.14
  4. Step 4: Simplify right side
    20,523,137.10x = 318,075,374,374,922.81
  5. Step 5: Solve for x
    x = 318,075,374,374,922.81/20,523,137.10
  6. Step 6: Final answer
    x = 15,498,379.84

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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.