Home / 39,243,648.69-58,865,997.85-12,317,304.69

Finding the Fourth Proportional to 39,243,648.69, 58,865,997.85 and 12,317,304.69

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Solution

The fourth proportional to 39,243,648.69, 58,865,997.85 and 12,317,304.69 is: 18,476,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243,648.69 : 58,865,997.85 = 12,317,304.69 : x
  2. Step 2: Convert to fraction form
    39,243,648.69/58,865,997.85 = 12,317,304.69/x
  3. Step 3: Cross multiply
    39,243,648.69x = 58,865,997.85 × 12,317,304.69
  4. Step 4: Simplify right side
    39,243,648.69x = 725,070,431,368,541.62
  5. Step 5: Solve for x
    x = 725,070,431,368,541.62/39,243,648.69
  6. Step 6: Final answer
    x = 18,476,121.76

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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.