Home / 13,728,388.40-18,945,124.20-7,533,539

Finding the Fourth Proportional to 13,728,388.40, 18,945,124.20 and 7,533,539

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Solution

The fourth proportional to 13,728,388.40, 18,945,124.20 and 7,533,539 is: 10,396,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,388.40 : 18,945,124.20 = 7,533,539 : x
  2. Step 2: Convert to fraction form
    13,728,388.40/18,945,124.20 = 7,533,539/x
  3. Step 3: Cross multiply
    13,728,388.40x = 18,945,124.20 × 7,533,539
  4. Step 4: Simplify right side
    13,728,388.40x = 142,723,832,020,543.78
  5. Step 5: Solve for x
    x = 142,723,832,020,543.78/13,728,388.40
  6. Step 6: Final answer
    x = 10,396,255.40

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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.