Home / 7,238,449.34-9,992,938.20-5,580,976.40

Finding the Fourth Proportional to 7,238,449.34, 9,992,938.20 and 5,580,976.40

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Solution

The fourth proportional to 7,238,449.34, 9,992,938.20 and 5,580,976.40 is: 7,704,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,449.34 : 9,992,938.20 = 5,580,976.40 : x
  2. Step 2: Convert to fraction form
    7,238,449.34/9,992,938.20 = 5,580,976.40/x
  3. Step 3: Cross multiply
    7,238,449.34x = 9,992,938.20 × 5,580,976.40
  4. Step 4: Simplify right side
    7,238,449.34x = 55,770,352,260,858.48
  5. Step 5: Solve for x
    x = 55,770,352,260,858.48/7,238,449.34
  6. Step 6: Final answer
    x = 7,704,737.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.