Home / 13,732,224.30-18,950,709.78-7,537,850.55

Finding the Fourth Proportional to 13,732,224.30, 18,950,709.78 and 7,537,850.55

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Solution

The fourth proportional to 13,732,224.30, 18,950,709.78 and 7,537,850.55 is: 10,402,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732,224.30 : 18,950,709.78 = 7,537,850.55 : x
  2. Step 2: Convert to fraction form
    13,732,224.30/18,950,709.78 = 7,537,850.55/x
  3. Step 3: Cross multiply
    13,732,224.30x = 18,950,709.78 × 7,537,850.55
  4. Step 4: Simplify right side
    13,732,224.30x = 142,847,618,138,063.38
  5. Step 5: Solve for x
    x = 142,847,618,138,063.38/13,732,224.30
  6. Step 6: Final answer
    x = 10,402,365.63

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1.5x scale

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.