Home / 7,342,151.70-10,989,644.52-3,921,885.93

Finding the Fourth Proportional to 7,342,151.70, 10,989,644.52 and 3,921,885.93

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Solution

The fourth proportional to 7,342,151.70, 10,989,644.52 and 3,921,885.93 is: 5,870,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,151.70 : 10,989,644.52 = 3,921,885.93 : x
  2. Step 2: Convert to fraction form
    7,342,151.70/10,989,644.52 = 3,921,885.93/x
  3. Step 3: Cross multiply
    7,342,151.70x = 10,989,644.52 × 3,921,885.93
  4. Step 4: Simplify right side
    7,342,151.70x = 43,100,132,218,689.60
  5. Step 5: Solve for x
    x = 43,100,132,218,689.60/7,342,151.70
  6. Step 6: Final answer
    x = 5,870,231.78

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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.