Home / 18,275,293.80-25,216,708.05-10,431,224.64

Finding the Fourth Proportional to 18,275,293.80, 25,216,708.05 and 10,431,224.64

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Solution

The fourth proportional to 18,275,293.80, 25,216,708.05 and 10,431,224.64 is: 14,393,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275,293.80 : 25,216,708.05 = 10,431,224.64 : x
  2. Step 2: Convert to fraction form
    18,275,293.80/25,216,708.05 = 10,431,224.64/x
  3. Step 3: Cross multiply
    18,275,293.80x = 25,216,708.05 × 10,431,224.64
  4. Step 4: Simplify right side
    18,275,293.80x = 263,041,146,350,846.38
  5. Step 5: Solve for x
    x = 263,041,146,350,846.38/18,275,293.80
  6. Step 6: Final answer
    x = 14,393,264.99

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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.