Home / 22,665,758.40-31,274,917.05-12,741,319.11

Finding the Fourth Proportional to 22,665,758.40, 31,274,917.05 and 12,741,319.11

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Solution

The fourth proportional to 22,665,758.40, 31,274,917.05 and 12,741,319.11 is: 17,580,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665,758.40 : 31,274,917.05 = 12,741,319.11 : x
  2. Step 2: Convert to fraction form
    22,665,758.40/31,274,917.05 = 12,741,319.11/x
  3. Step 3: Cross multiply
    22,665,758.40x = 31,274,917.05 × 12,741,319.11
  4. Step 4: Simplify right side
    22,665,758.40x = 398,483,698,272,829.81
  5. Step 5: Solve for x
    x = 398,483,698,272,829.81/22,665,758.40
  6. Step 6: Final answer
    x = 17,580,867.63

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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.