Home / 18,285,539.28-25,233,910.12-10,025,465.40

Finding the Fourth Proportional to 18,285,539.28, 25,233,910.12 and 10,025,465.40

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Solution

The fourth proportional to 18,285,539.28, 25,233,910.12 and 10,025,465.40 is: 13,835,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285,539.28 : 25,233,910.12 = 10,025,465.40 : x
  2. Step 2: Convert to fraction form
    18,285,539.28/25,233,910.12 = 10,025,465.40/x
  3. Step 3: Cross multiply
    18,285,539.28x = 25,233,910.12 × 10,025,465.40
  4. Step 4: Simplify right side
    18,285,539.28x = 252,981,692,814,769.88
  5. Step 5: Solve for x
    x = 252,981,692,814,769.88/18,285,539.28
  6. Step 6: Final answer
    x = 13,835,068.74

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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.