Home / 20,522,496.56-28,308,705.72-13,553,238.24

Finding the Fourth Proportional to 20,522,496.56, 28,308,705.72 and 13,553,238.24

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Solution

The fourth proportional to 20,522,496.56, 28,308,705.72 and 13,553,238.24 is: 18,695,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,496.56 : 28,308,705.72 = 13,553,238.24 : x
  2. Step 2: Convert to fraction form
    20,522,496.56/28,308,705.72 = 13,553,238.24/x
  3. Step 3: Cross multiply
    20,522,496.56x = 28,308,705.72 × 13,553,238.24
  4. Step 4: Simplify right side
    20,522,496.56x = 383,674,632,889,210.75
  5. Step 5: Solve for x
    x = 383,674,632,889,210.75/20,522,496.56
  6. Step 6: Final answer
    x = 18,695,319.63

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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.