Home / 12,463,966.20-18,697,698.90-3,943,414.20

Finding the Fourth Proportional to 12,463,966.20, 18,697,698.90 and 3,943,414.20

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Solution

The fourth proportional to 12,463,966.20, 18,697,698.90 and 3,943,414.20 is: 5,915,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,966.20 : 18,697,698.90 = 3,943,414.20 : x
  2. Step 2: Convert to fraction form
    12,463,966.20/18,697,698.90 = 3,943,414.20/x
  3. Step 3: Cross multiply
    12,463,966.20x = 18,697,698.90 × 3,943,414.20
  4. Step 4: Simplify right side
    12,463,966.20x = 73,732,771,349,584.38
  5. Step 5: Solve for x
    x = 73,732,771,349,584.38/12,463,966.20
  6. Step 6: Final answer
    x = 5,915,674.85

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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.