Home / 18,941,322.40-26,146,133.04-12,415,372.16

Finding the Fourth Proportional to 18,941,322.40, 26,146,133.04 and 12,415,372.16

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Solution

The fourth proportional to 18,941,322.40, 26,146,133.04 and 12,415,372.16 is: 17,137,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941,322.40 : 26,146,133.04 = 12,415,372.16 : x
  2. Step 2: Convert to fraction form
    18,941,322.40/26,146,133.04 = 12,415,372.16/x
  3. Step 3: Cross multiply
    18,941,322.40x = 26,146,133.04 × 12,415,372.16
  4. Step 4: Simplify right side
    18,941,322.40x = 324,613,972,236,472.19
  5. Step 5: Solve for x
    x = 324,613,972,236,472.19/18,941,322.40
  6. Step 6: Final answer
    x = 17,137,872.71

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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.