Home / 18,253,493.52-25,190,118.12-9,993,416.40

Finding the Fourth Proportional to 18,253,493.52, 25,190,118.12 and 9,993,416.40

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Solution

The fourth proportional to 18,253,493.52, 25,190,118.12 and 9,993,416.40 is: 13,791,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253,493.52 : 25,190,118.12 = 9,993,416.40 : x
  2. Step 2: Convert to fraction form
    18,253,493.52/25,190,118.12 = 9,993,416.40/x
  3. Step 3: Cross multiply
    18,253,493.52x = 25,190,118.12 × 9,993,416.40
  4. Step 4: Simplify right side
    18,253,493.52x = 251,735,339,538,345.19
  5. Step 5: Solve for x
    x = 251,735,339,538,345.19/18,253,493.52
  6. Step 6: Final answer
    x = 13,791,077.27

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Double scale
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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.