Home / 7,243,811.70-10,865,717.55-7,131,837.30

Finding the Fourth Proportional to 7,243,811.70, 10,865,717.55 and 7,131,837.30

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Solution

The fourth proportional to 7,243,811.70, 10,865,717.55 and 7,131,837.30 is: 10,697,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,811.70 : 10,865,717.55 = 7,131,837.30 : x
  2. Step 2: Convert to fraction form
    7,243,811.70/10,865,717.55 = 7,131,837.30/x
  3. Step 3: Cross multiply
    7,243,811.70x = 10,865,717.55 × 7,131,837.30
  4. Step 4: Simplify right side
    7,243,811.70x = 77,492,529,714,354.62
  5. Step 5: Solve for x
    x = 77,492,529,714,354.62/7,243,811.70
  6. Step 6: Final answer
    x = 10,697,755.95

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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.