Home / 8,186,643.10-11,297,369.50-4,515,480.81

Finding the Fourth Proportional to 8,186,643.10, 11,297,369.50 and 4,515,480.81

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Solution

The fourth proportional to 8,186,643.10, 11,297,369.50 and 4,515,480.81 is: 6,231,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,643.10 : 11,297,369.50 = 4,515,480.81 : x
  2. Step 2: Convert to fraction form
    8,186,643.10/11,297,369.50 = 4,515,480.81/x
  3. Step 3: Cross multiply
    8,186,643.10x = 11,297,369.50 × 4,515,480.81
  4. Step 4: Simplify right side
    8,186,643.10x = 51,013,055,180,729.29
  5. Step 5: Solve for x
    x = 51,013,055,180,729.29/8,186,643.10
  6. Step 6: Final answer
    x = 6,231,254.32

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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.