Home / 39,243,649.69-58,865,999.35-12,317,305.69

Finding the Fourth Proportional to 39,243,649.69, 58,865,999.35 and 12,317,305.69

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Solution

The fourth proportional to 39,243,649.69, 58,865,999.35 and 12,317,305.69 is: 18,476,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243,649.69 : 58,865,999.35 = 12,317,305.69 : x
  2. Step 2: Convert to fraction form
    39,243,649.69/58,865,999.35 = 12,317,305.69/x
  3. Step 3: Cross multiply
    39,243,649.69x = 58,865,999.35 × 12,317,305.69
  4. Step 4: Simplify right side
    39,243,649.69x = 725,070,508,741,291.25
  5. Step 5: Solve for x
    x = 725,070,508,741,291.25/39,243,649.69
  6. Step 6: Final answer
    x = 18,476,123.26

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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.