Home / 14,747,642-20,352,957.69-8,133,524.16

Finding the Fourth Proportional to 14,747,642, 20,352,957.69 and 8,133,524.16

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Solution

The fourth proportional to 14,747,642, 20,352,957.69 and 8,133,524.16 is: 11,224,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747,642 : 20,352,957.69 = 8,133,524.16 : x
  2. Step 2: Convert to fraction form
    14,747,642/20,352,957.69 = 8,133,524.16/x
  3. Step 3: Cross multiply
    14,747,642x = 20,352,957.69 × 8,133,524.16
  4. Step 4: Simplify right side
    14,747,642x = 165,541,273,099,072.81
  5. Step 5: Solve for x
    x = 165,541,273,099,072.81/14,747,642
  6. Step 6: Final answer
    x = 11,224,931.63

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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.