Home / 18,187,257.15-25,094,668.24-10,450,804.78

Finding the Fourth Proportional to 18,187,257.15, 25,094,668.24 and 10,450,804.78

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Solution

The fourth proportional to 18,187,257.15, 25,094,668.24 and 10,450,804.78 is: 14,419,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,257.15 : 25,094,668.24 = 10,450,804.78 : x
  2. Step 2: Convert to fraction form
    18,187,257.15/25,094,668.24 = 10,450,804.78/x
  3. Step 3: Cross multiply
    18,187,257.15x = 25,094,668.24 × 10,450,804.78
  4. Step 4: Simplify right side
    18,187,257.15x = 262,259,478,795,106.16
  5. Step 5: Solve for x
    x = 262,259,478,795,106.16/18,187,257.15
  6. Step 6: Final answer
    x = 14,419,957.70

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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.