Home / 14,771,475.83-20,388,037.87-8,661,872.63

Finding the Fourth Proportional to 14,771,475.83, 20,388,037.87 and 8,661,872.63

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Solution

The fourth proportional to 14,771,475.83, 20,388,037.87 and 8,661,872.63 is: 11,955,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,475.83 : 20,388,037.87 = 8,661,872.63 : x
  2. Step 2: Convert to fraction form
    14,771,475.83/20,388,037.87 = 8,661,872.63/x
  3. Step 3: Cross multiply
    14,771,475.83x = 20,388,037.87 × 8,661,872.63
  4. Step 4: Simplify right side
    14,771,475.83x = 176,598,587,267,353.94
  5. Step 5: Solve for x
    x = 176,598,587,267,353.94/14,771,475.83
  6. Step 6: Final answer
    x = 11,955,378.68

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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.