Home / 18,745,029.42-25,870,533.53-10,485,550.56

Finding the Fourth Proportional to 18,745,029.42, 25,870,533.53 and 10,485,550.56

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Solution

The fourth proportional to 18,745,029.42, 25,870,533.53 and 10,485,550.56 is: 14,471,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745,029.42 : 25,870,533.53 = 10,485,550.56 : x
  2. Step 2: Convert to fraction form
    18,745,029.42/25,870,533.53 = 10,485,550.56/x
  3. Step 3: Cross multiply
    18,745,029.42x = 25,870,533.53 × 10,485,550.56
  4. Step 4: Simplify right side
    18,745,029.42x = 271,266,787,290,562.53
  5. Step 5: Solve for x
    x = 271,266,787,290,562.53/18,745,029.42
  6. Step 6: Final answer
    x = 14,471,398.32

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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.