Home / 15,512,727.12-21,409,890.80-11,785,424.64

Finding the Fourth Proportional to 15,512,727.12, 21,409,890.80 and 11,785,424.64

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Solution

The fourth proportional to 15,512,727.12, 21,409,890.80 and 11,785,424.64 is: 16,265,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512,727.12 : 21,409,890.80 = 11,785,424.64 : x
  2. Step 2: Convert to fraction form
    15,512,727.12/21,409,890.80 = 11,785,424.64/x
  3. Step 3: Cross multiply
    15,512,727.12x = 21,409,890.80 × 11,785,424.64
  4. Step 4: Simplify right side
    15,512,727.12x = 252,324,654,574,029.34
  5. Step 5: Solve for x
    x = 252,324,654,574,029.34/15,512,727.12
  6. Step 6: Final answer
    x = 16,265,654.17

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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.