Home / 16,905,133.92-25,356,767.52-12,360,839.52

Finding the Fourth Proportional to 16,905,133.92, 25,356,767.52 and 12,360,839.52

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Solution

The fourth proportional to 16,905,133.92, 25,356,767.52 and 12,360,839.52 is: 18,540,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905,133.92 : 25,356,767.52 = 12,360,839.52 : x
  2. Step 2: Convert to fraction form
    16,905,133.92/25,356,767.52 = 12,360,839.52/x
  3. Step 3: Cross multiply
    16,905,133.92x = 25,356,767.52 × 12,360,839.52
  4. Step 4: Simplify right side
    16,905,133.92x = 313,430,934,060,668.38
  5. Step 5: Solve for x
    x = 313,430,934,060,668.38/16,905,133.92
  6. Step 6: Final answer
    x = 18,540,576.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.