Home / 43,619,038.90-65,429,236.52-12,916,723.70

Finding the Fourth Proportional to 43,619,038.90, 65,429,236.52 and 12,916,723.70

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Solution

The fourth proportional to 43,619,038.90, 65,429,236.52 and 12,916,723.70 is: 19,375,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619,038.90 : 65,429,236.52 = 12,916,723.70 : x
  2. Step 2: Convert to fraction form
    43,619,038.90/65,429,236.52 = 12,916,723.70/x
  3. Step 3: Cross multiply
    43,619,038.90x = 65,429,236.52 × 12,916,723.70
  4. Step 4: Simplify right side
    43,619,038.90x = 845,131,370,030,789.50
  5. Step 5: Solve for x
    x = 845,131,370,030,789.50/43,619,038.90
  6. Step 6: Final answer
    x = 19,375,286.37

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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.