Home / 18,397,228.54-25,389,290.22-10,137,280.84

Finding the Fourth Proportional to 18,397,228.54, 25,389,290.22 and 10,137,280.84

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Solution

The fourth proportional to 18,397,228.54, 25,389,290.22 and 10,137,280.84 is: 13,990,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,228.54 : 25,389,290.22 = 10,137,280.84 : x
  2. Step 2: Convert to fraction form
    18,397,228.54/25,389,290.22 = 10,137,280.84/x
  3. Step 3: Cross multiply
    18,397,228.54x = 25,389,290.22 × 10,137,280.84
  4. Step 4: Simplify right side
    18,397,228.54x = 257,378,365,288,405.38
  5. Step 5: Solve for x
    x = 257,378,365,288,405.38/18,397,228.54
  6. Step 6: Final answer
    x = 13,990,061.86

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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.