Home / 38,427,194.81-57,640,722.12-12,519,465.55

Finding the Fourth Proportional to 38,427,194.81, 57,640,722.12 and 12,519,465.55

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Solution

The fourth proportional to 38,427,194.81, 57,640,722.12 and 12,519,465.55 is: 18,779,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427,194.81 : 57,640,722.12 = 12,519,465.55 : x
  2. Step 2: Convert to fraction form
    38,427,194.81/57,640,722.12 = 12,519,465.55/x
  3. Step 3: Cross multiply
    38,427,194.81x = 57,640,722.12 × 12,519,465.55
  4. Step 4: Simplify right side
    38,427,194.81x = 721,631,034,714,361.12
  5. Step 5: Solve for x
    x = 721,631,034,714,361.12/38,427,194.81
  6. Step 6: Final answer
    x = 18,779,175.48

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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.