Home / 18,241,812.87-25,172,594.10-10,400,228.69

Finding the Fourth Proportional to 18,241,812.87, 25,172,594.10 and 10,400,228.69

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Solution

The fourth proportional to 18,241,812.87, 25,172,594.10 and 10,400,228.69 is: 14,351,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241,812.87 : 25,172,594.10 = 10,400,228.69 : x
  2. Step 2: Convert to fraction form
    18,241,812.87/25,172,594.10 = 10,400,228.69/x
  3. Step 3: Cross multiply
    18,241,812.87x = 25,172,594.10 × 10,400,228.69
  4. Step 4: Simplify right side
    18,241,812.87x = 261,800,735,308,543.56
  5. Step 5: Solve for x
    x = 261,800,735,308,543.56/18,241,812.87
  6. Step 6: Final answer
    x = 14,351,684.08

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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.