Home / 17,337,469.60-23,941,790.76-12,978,989.20

Finding the Fourth Proportional to 17,337,469.60, 23,941,790.76 and 12,978,989.20

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Solution

The fourth proportional to 17,337,469.60, 23,941,790.76 and 12,978,989.20 is: 17,923,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,337,469.60 : 23,941,790.76 = 12,978,989.20 : x
  2. Step 2: Convert to fraction form
    17,337,469.60/23,941,790.76 = 12,978,989.20/x
  3. Step 3: Cross multiply
    17,337,469.60x = 23,941,790.76 × 12,978,989.20
  4. Step 4: Simplify right side
    17,337,469.60x = 310,740,243,702,699.81
  5. Step 5: Solve for x
    x = 310,740,243,702,699.81/17,337,469.60
  6. Step 6: Final answer
    x = 17,923,044.76

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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.