Home / 18,286,220.49-25,236,118.01-10,137,458.49

Finding the Fourth Proportional to 18,286,220.49, 25,236,118.01 and 10,137,458.49

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Solution

The fourth proportional to 18,286,220.49, 25,236,118.01 and 10,137,458.49 is: 13,990,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286,220.49 : 25,236,118.01 = 10,137,458.49 : x
  2. Step 2: Convert to fraction form
    18,286,220.49/25,236,118.01 = 10,137,458.49/x
  3. Step 3: Cross multiply
    18,286,220.49x = 25,236,118.01 × 10,137,458.49
  4. Step 4: Simplify right side
    18,286,220.49x = 255,830,098,724,429.09
  5. Step 5: Solve for x
    x = 255,830,098,724,429.09/18,286,220.49
  6. Step 6: Final answer
    x = 13,990,321.23

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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.