Home / 7,409,088.36-11,115,627.57-3,812,895.72

Finding the Fourth Proportional to 7,409,088.36, 11,115,627.57 and 3,812,895.72

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Solution

The fourth proportional to 7,409,088.36, 11,115,627.57 and 3,812,895.72 is: 5,720,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409,088.36 : 11,115,627.57 = 3,812,895.72 : x
  2. Step 2: Convert to fraction form
    7,409,088.36/11,115,627.57 = 3,812,895.72/x
  3. Step 3: Cross multiply
    7,409,088.36x = 11,115,627.57 × 3,812,895.72
  4. Step 4: Simplify right side
    7,409,088.36x = 42,382,728,786,767
  5. Step 5: Solve for x
    x = 42,382,728,786,767/7,409,088.36
  6. Step 6: Final answer
    x = 5,720,370.27

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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.