Home / 12,051,381.60-18,077,755.58-3,854,743.78

Finding the Fourth Proportional to 12,051,381.60, 18,077,755.58 and 3,854,743.78

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Solution

The fourth proportional to 12,051,381.60, 18,077,755.58 and 3,854,743.78 is: 5,782,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,381.60 : 18,077,755.58 = 3,854,743.78 : x
  2. Step 2: Convert to fraction form
    12,051,381.60/18,077,755.58 = 3,854,743.78/x
  3. Step 3: Cross multiply
    12,051,381.60x = 18,077,755.58 × 3,854,743.78
  4. Step 4: Simplify right side
    12,051,381.60x = 69,685,115,878,365.28
  5. Step 5: Solve for x
    x = 69,685,115,878,365.28/12,051,381.60
  6. Step 6: Final answer
    x = 5,782,334.19

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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.