Home / 25,637,540.80-38,456,311.20-7,686,644.80

Finding the Fourth Proportional to 25,637,540.80, 38,456,311.20 and 7,686,644.80

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Solution

The fourth proportional to 25,637,540.80, 38,456,311.20 and 7,686,644.80 is: 11,529,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637,540.80 : 38,456,311.20 = 7,686,644.80 : x
  2. Step 2: Convert to fraction form
    25,637,540.80/38,456,311.20 = 7,686,644.80/x
  3. Step 3: Cross multiply
    25,637,540.80x = 38,456,311.20 × 7,686,644.80
  4. Step 4: Simplify right side
    25,637,540.80x = 295,600,004,512,661.75
  5. Step 5: Solve for x
    x = 295,600,004,512,661.75/25,637,540.80
  6. Step 6: Final answer
    x = 11,529,967.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.