Home / 7,218,510.01-9,960,881.38-4,162,133.77

Finding the Fourth Proportional to 7,218,510.01, 9,960,881.38 and 4,162,133.77

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Solution

The fourth proportional to 7,218,510.01, 9,960,881.38 and 4,162,133.77 is: 5,743,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,510.01 : 9,960,881.38 = 4,162,133.77 : x
  2. Step 2: Convert to fraction form
    7,218,510.01/9,960,881.38 = 4,162,133.77/x
  3. Step 3: Cross multiply
    7,218,510.01x = 9,960,881.38 × 4,162,133.77
  4. Step 4: Simplify right side
    7,218,510.01x = 41,458,520,770,662.20
  5. Step 5: Solve for x
    x = 41,458,520,770,662.20/7,218,510.01
  6. Step 6: Final answer
    x = 5,743,362.65

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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.