Home / 7,082,436.80-10,607,908.80-5,479,803.20

Finding the Fourth Proportional to 7,082,436.80, 10,607,908.80 and 5,479,803.20

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Solution

The fourth proportional to 7,082,436.80, 10,607,908.80 and 5,479,803.20 is: 8,207,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082,436.80 : 10,607,908.80 = 5,479,803.20 : x
  2. Step 2: Convert to fraction form
    7,082,436.80/10,607,908.80 = 5,479,803.20/x
  3. Step 3: Cross multiply
    7,082,436.80x = 10,607,908.80 × 5,479,803.20
  4. Step 4: Simplify right side
    7,082,436.80x = 58,129,252,587,548.16
  5. Step 5: Solve for x
    x = 58,129,252,587,548.16/7,082,436.80
  6. Step 6: Final answer
    x = 8,207,521.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.