Home / 20,013,548.16-27,621,660.80-12,672,063.68

Finding the Fourth Proportional to 20,013,548.16, 27,621,660.80 and 12,672,063.68

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Solution

The fourth proportional to 20,013,548.16, 27,621,660.80 and 12,672,063.68 is: 17,489,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,548.16 : 27,621,660.80 = 12,672,063.68 : x
  2. Step 2: Convert to fraction form
    20,013,548.16/27,621,660.80 = 12,672,063.68/x
  3. Step 3: Cross multiply
    20,013,548.16x = 27,621,660.80 × 12,672,063.68
  4. Step 4: Simplify right side
    20,013,548.16x = 350,023,444,604,959.75
  5. Step 5: Solve for x
    x = 350,023,444,604,959.75/20,013,548.16
  6. Step 6: Final answer
    x = 17,489,324.82

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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.