Home / 18,257,031.94-25,195,305.42-9,997,442.81

Finding the Fourth Proportional to 18,257,031.94, 25,195,305.42 and 9,997,442.81

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Solution

The fourth proportional to 18,257,031.94, 25,195,305.42 and 9,997,442.81 is: 13,796,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,031.94 : 25,195,305.42 = 9,997,442.81 : x
  2. Step 2: Convert to fraction form
    18,257,031.94/25,195,305.42 = 9,997,442.81/x
  3. Step 3: Cross multiply
    18,257,031.94x = 25,195,305.42 × 9,997,442.81
  4. Step 4: Simplify right side
    18,257,031.94x = 251,888,625,016,933.06
  5. Step 5: Solve for x
    x = 251,888,625,016,933.06/18,257,031.94
  6. Step 6: Final answer
    x = 13,796,800.37

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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.