Home / 38,732,987.40-58,085,902.26-11,431,995.72

Finding the Fourth Proportional to 38,732,987.40, 58,085,902.26 and 11,431,995.72

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Solution

The fourth proportional to 38,732,987.40, 58,085,902.26 and 11,431,995.72 is: 17,143,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732,987.40 : 58,085,902.26 = 11,431,995.72 : x
  2. Step 2: Convert to fraction form
    38,732,987.40/58,085,902.26 = 11,431,995.72/x
  3. Step 3: Cross multiply
    38,732,987.40x = 58,085,902.26 × 11,431,995.72
  4. Step 4: Simplify right side
    38,732,987.40x = 664,037,786,028,658.38
  5. Step 5: Solve for x
    x = 664,037,786,028,658.38/38,732,987.40
  6. Step 6: Final answer
    x = 17,143,985.80

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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.