Home / 26,082,958.40-39,124,437.60-12,621,147.20

Finding the Fourth Proportional to 26,082,958.40, 39,124,437.60 and 12,621,147.20

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Solution

The fourth proportional to 26,082,958.40, 39,124,437.60 and 12,621,147.20 is: 18,931,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082,958.40 : 39,124,437.60 = 12,621,147.20 : x
  2. Step 2: Convert to fraction form
    26,082,958.40/39,124,437.60 = 12,621,147.20/x
  3. Step 3: Cross multiply
    26,082,958.40x = 39,124,437.60 × 12,621,147.20
  4. Step 4: Simplify right side
    26,082,958.40x = 493,795,286,066,814.69
  5. Step 5: Solve for x
    x = 493,795,286,066,814.69/26,082,958.40
  6. Step 6: Final answer
    x = 18,931,720.80

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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.