Home / 7,143,028.35-9,857,458.80-4,203,495.15

Finding the Fourth Proportional to 7,143,028.35, 9,857,458.80 and 4,203,495.15

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Solution

The fourth proportional to 7,143,028.35, 9,857,458.80 and 4,203,495.15 is: 5,800,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,028.35 : 9,857,458.80 = 4,203,495.15 : x
  2. Step 2: Convert to fraction form
    7,143,028.35/9,857,458.80 = 4,203,495.15/x
  3. Step 3: Cross multiply
    7,143,028.35x = 9,857,458.80 × 4,203,495.15
  4. Step 4: Simplify right side
    7,143,028.35x = 41,435,780,257,124.83
  5. Step 5: Solve for x
    x = 41,435,780,257,124.83/7,143,028.35
  6. Step 6: Final answer
    x = 5,800,870.19

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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.