Home / 14,510,772.81-21,765,441.83-5,412,161.61

Finding the Fourth Proportional to 14,510,772.81, 21,765,441.83 and 5,412,161.61

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Solution

The fourth proportional to 14,510,772.81, 21,765,441.83 and 5,412,161.61 is: 8,117,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510,772.81 : 21,765,441.83 = 5,412,161.61 : x
  2. Step 2: Convert to fraction form
    14,510,772.81/21,765,441.83 = 5,412,161.61/x
  3. Step 3: Cross multiply
    14,510,772.81x = 21,765,441.83 × 5,412,161.61
  4. Step 4: Simplify right side
    14,510,772.81x = 117,798,088,669,953.34
  5. Step 5: Solve for x
    x = 117,798,088,669,953.34/14,510,772.81
  6. Step 6: Final answer
    x = 8,117,974.85

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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.