Home / 7,137,054.38-9,849,143.03-3,873,868.22

Finding the Fourth Proportional to 7,137,054.38, 9,849,143.03 and 3,873,868.22

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Solution

The fourth proportional to 7,137,054.38, 9,849,143.03 and 3,873,868.22 is: 5,345,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,054.38 : 9,849,143.03 = 3,873,868.22 : x
  2. Step 2: Convert to fraction form
    7,137,054.38/9,849,143.03 = 3,873,868.22/x
  3. Step 3: Cross multiply
    7,137,054.38x = 9,849,143.03 × 3,873,868.22
  4. Step 4: Simplify right side
    7,137,054.38x = 38,154,282,183,405.02
  5. Step 5: Solve for x
    x = 38,154,282,183,405.02/7,137,054.38
  6. Step 6: Final answer
    x = 5,345,942.48

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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.