Home / 15,430,399.47-23,129,396.94-5,191,704.90

Finding the Fourth Proportional to 15,430,399.47, 23,129,396.94 and 5,191,704.90

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Solution

The fourth proportional to 15,430,399.47, 23,129,396.94 and 5,191,704.90 is: 7,782,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,399.47 : 23,129,396.94 = 5,191,704.90 : x
  2. Step 2: Convert to fraction form
    15,430,399.47/23,129,396.94 = 5,191,704.90/x
  3. Step 3: Cross multiply
    15,430,399.47x = 23,129,396.94 × 5,191,704.90
  4. Step 4: Simplify right side
    15,430,399.47x = 120,081,003,427,443.02
  5. Step 5: Solve for x
    x = 120,081,003,427,443.02/15,430,399.47
  6. Step 6: Final answer
    x = 7,782,105.94

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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.