Home / 7,160,975.91-9,882,356.94-3,898,003.50

Finding the Fourth Proportional to 7,160,975.91, 9,882,356.94 and 3,898,003.50

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Solution

The fourth proportional to 7,160,975.91, 9,882,356.94 and 3,898,003.50 is: 5,379,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,975.91 : 9,882,356.94 = 3,898,003.50 : x
  2. Step 2: Convert to fraction form
    7,160,975.91/9,882,356.94 = 3,898,003.50/x
  3. Step 3: Cross multiply
    7,160,975.91x = 9,882,356.94 × 3,898,003.50
  4. Step 4: Simplify right side
    7,160,975.91x = 38,521,461,940,369.29
  5. Step 5: Solve for x
    x = 38,521,461,940,369.29/7,160,975.91
  6. Step 6: Final answer
    x = 5,379,359.24

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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.