Home / 22,593,840.96-31,178,845.22-12,805,189.81

Finding the Fourth Proportional to 22,593,840.96, 31,178,845.22 and 12,805,189.81

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Solution

The fourth proportional to 22,593,840.96, 31,178,845.22 and 12,805,189.81 is: 17,670,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,593,840.96 : 31,178,845.22 = 12,805,189.81 : x
  2. Step 2: Convert to fraction form
    22,593,840.96/31,178,845.22 = 12,805,189.81/x
  3. Step 3: Cross multiply
    22,593,840.96x = 31,178,845.22 × 12,805,189.81
  4. Step 4: Simplify right side
    22,593,840.96x = 399,251,031,132,119.12
  5. Step 5: Solve for x
    x = 399,251,031,132,119.12/22,593,840.96
  6. Step 6: Final answer
    x = 17,670,790.54

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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.