Home / 8,072,128.66-12,111,145.44-3,756,237.26

Finding the Fourth Proportional to 8,072,128.66, 12,111,145.44 and 3,756,237.26

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Solution

The fourth proportional to 8,072,128.66, 12,111,145.44 and 3,756,237.26 is: 5,635,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,128.66 : 12,111,145.44 = 3,756,237.26 : x
  2. Step 2: Convert to fraction form
    8,072,128.66/12,111,145.44 = 3,756,237.26/x
  3. Step 3: Cross multiply
    8,072,128.66x = 12,111,145.44 × 3,756,237.26
  4. Step 4: Simplify right side
    8,072,128.66x = 45,492,335,763,007.09
  5. Step 5: Solve for x
    x = 45,492,335,763,007.09/8,072,128.66
  6. Step 6: Final answer
    x = 5,635,729.77

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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.