Home / 13,781,649.57-20,670,899.70-3,685,057.89

Finding the Fourth Proportional to 13,781,649.57, 20,670,899.70 and 3,685,057.89

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Solution

The fourth proportional to 13,781,649.57, 20,670,899.70 and 3,685,057.89 is: 5,527,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,649.57 : 20,670,899.70 = 3,685,057.89 : x
  2. Step 2: Convert to fraction form
    13,781,649.57/20,670,899.70 = 3,685,057.89/x
  3. Step 3: Cross multiply
    13,781,649.57x = 20,670,899.70 × 3,685,057.89
  4. Step 4: Simplify right side
    13,781,649.57x = 76,173,462,032,883.64
  5. Step 5: Solve for x
    x = 76,173,462,032,883.64/13,781,649.57
  6. Step 6: Final answer
    x = 5,527,165.79

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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.