Home / 18,359,542.35-25,336,028.34-10,099,426.77

Finding the Fourth Proportional to 18,359,542.35, 25,336,028.34 and 10,099,426.77

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Solution

The fourth proportional to 18,359,542.35, 25,336,028.34 and 10,099,426.77 is: 13,937,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359,542.35 : 25,336,028.34 = 10,099,426.77 : x
  2. Step 2: Convert to fraction form
    18,359,542.35/25,336,028.34 = 10,099,426.77/x
  3. Step 3: Cross multiply
    18,359,542.35x = 25,336,028.34 × 10,099,426.77
  4. Step 4: Simplify right side
    18,359,542.35x = 255,879,362,862,474.66
  5. Step 5: Solve for x
    x = 255,879,362,862,474.66/18,359,542.35
  6. Step 6: Final answer
    x = 13,937,131.87

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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.