Home / 22,712,451.55-31,343,023.66-12,399,174.64

Finding the Fourth Proportional to 22,712,451.55, 31,343,023.66 and 12,399,174.64

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Solution

The fourth proportional to 22,712,451.55, 31,343,023.66 and 12,399,174.64 is: 17,110,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,451.55 : 31,343,023.66 = 12,399,174.64 : x
  2. Step 2: Convert to fraction form
    22,712,451.55/31,343,023.66 = 12,399,174.64/x
  3. Step 3: Cross multiply
    22,712,451.55x = 31,343,023.66 × 12,399,174.64
  4. Step 4: Simplify right side
    22,712,451.55x = 388,627,624,105,992
  5. Step 5: Solve for x
    x = 388,627,624,105,992/22,712,451.55
  6. Step 6: Final answer
    x = 17,110,773.94

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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.