Home / 18,257,900.58-25,195,904.55-10,109,138.58

Finding the Fourth Proportional to 18,257,900.58, 25,195,904.55 and 10,109,138.58

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Solution

The fourth proportional to 18,257,900.58, 25,195,904.55 and 10,109,138.58 is: 13,950,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,900.58 : 25,195,904.55 = 10,109,138.58 : x
  2. Step 2: Convert to fraction form
    18,257,900.58/25,195,904.55 = 10,109,138.58/x
  3. Step 3: Cross multiply
    18,257,900.58x = 25,195,904.55 × 10,109,138.58
  4. Step 4: Simplify right side
    18,257,900.58x = 254,708,890,744,402.56
  5. Step 5: Solve for x
    x = 254,708,890,744,402.56/18,257,900.58
  6. Step 6: Final answer
    x = 13,950,612.21

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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.