Home / 8,637,892.50-11,920,291.68-5,016,453.78

Finding the Fourth Proportional to 8,637,892.50, 11,920,291.68 and 5,016,453.78

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Solution

The fourth proportional to 8,637,892.50, 11,920,291.68 and 5,016,453.78 is: 6,922,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,892.50 : 11,920,291.68 = 5,016,453.78 : x
  2. Step 2: Convert to fraction form
    8,637,892.50/11,920,291.68 = 5,016,453.78/x
  3. Step 3: Cross multiply
    8,637,892.50x = 11,920,291.68 × 5,016,453.78
  4. Step 4: Simplify right side
    8,637,892.50x = 59,797,592,256,838.55
  5. Step 5: Solve for x
    x = 59,797,592,256,838.55/8,637,892.50
  6. Step 6: Final answer
    x = 6,922,706.23

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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.