Home / 22,665,756.90-31,274,914.98-12,741,317.61

Finding the Fourth Proportional to 22,665,756.90, 31,274,914.98 and 12,741,317.61

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Solution

The fourth proportional to 22,665,756.90, 31,274,914.98 and 12,741,317.61 is: 17,580,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665,756.90 : 31,274,914.98 = 12,741,317.61 : x
  2. Step 2: Convert to fraction form
    22,665,756.90/31,274,914.98 = 12,741,317.61/x
  3. Step 3: Cross multiply
    22,665,756.90x = 31,274,914.98 × 12,741,317.61
  4. Step 4: Simplify right side
    22,665,756.90x = 398,483,624,985,926.81
  5. Step 5: Solve for x
    x = 398,483,624,985,926.81/22,665,756.90
  6. Step 6: Final answer
    x = 17,580,865.56

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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.