Home / 8,564,690.27-11,820,020.09-4,697,958.78

Finding the Fourth Proportional to 8,564,690.27, 11,820,020.09 and 4,697,958.78

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Solution

The fourth proportional to 8,564,690.27, 11,820,020.09 and 4,697,958.78 is: 6,483,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564,690.27 : 11,820,020.09 = 4,697,958.78 : x
  2. Step 2: Convert to fraction form
    8,564,690.27/11,820,020.09 = 4,697,958.78/x
  3. Step 3: Cross multiply
    8,564,690.27x = 11,820,020.09 × 4,697,958.78
  4. Step 4: Simplify right side
    8,564,690.27x = 55,529,967,138,102.10
  5. Step 5: Solve for x
    x = 55,529,967,138,102.10/8,564,690.27
  6. Step 6: Final answer
    x = 6,483,593.14

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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.