Home / 7,161,410.52-9,882,872.64-3,898,319.04

Finding the Fourth Proportional to 7,161,410.52, 9,882,872.64 and 3,898,319.04

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Solution

The fourth proportional to 7,161,410.52, 9,882,872.64 and 3,898,319.04 is: 5,379,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,410.52 : 9,882,872.64 = 3,898,319.04 : x
  2. Step 2: Convert to fraction form
    7,161,410.52/9,882,872.64 = 3,898,319.04/x
  3. Step 3: Cross multiply
    7,161,410.52x = 9,882,872.64 × 3,898,319.04
  4. Step 4: Simplify right side
    7,161,410.52x = 38,526,590,582,407.07
  5. Step 5: Solve for x
    x = 38,526,590,582,407.07/7,161,410.52
  6. Step 6: Final answer
    x = 5,379,748.93

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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.