Home / 15,277,378.68-21,082,362.30-8,401,861.08

Finding the Fourth Proportional to 15,277,378.68, 21,082,362.30 and 8,401,861.08

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Solution

The fourth proportional to 15,277,378.68, 21,082,362.30 and 8,401,861.08 is: 11,594,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,378.68 : 21,082,362.30 = 8,401,861.08 : x
  2. Step 2: Convert to fraction form
    15,277,378.68/21,082,362.30 = 8,401,861.08/x
  3. Step 3: Cross multiply
    15,277,378.68x = 21,082,362.30 × 8,401,861.08
  4. Step 4: Simplify right side
    15,277,378.68x = 177,131,079,282,829.28
  5. Step 5: Solve for x
    x = 177,131,079,282,829.28/15,277,378.68
  6. Step 6: Final answer
    x = 11,594,337.16

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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.