Home / 8,790,984.27-12,131,649.86-4,870,860.28

Finding the Fourth Proportional to 8,790,984.27, 12,131,649.86 and 4,870,860.28

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Solution

The fourth proportional to 8,790,984.27, 12,131,649.86 and 4,870,860.28 is: 6,721,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,984.27 : 12,131,649.86 = 4,870,860.28 : x
  2. Step 2: Convert to fraction form
    8,790,984.27/12,131,649.86 = 4,870,860.28/x
  3. Step 3: Cross multiply
    8,790,984.27x = 12,131,649.86 × 4,870,860.28
  4. Step 4: Simplify right side
    8,790,984.27x = 59,091,571,379,258.13
  5. Step 5: Solve for x
    x = 59,091,571,379,258.13/8,790,984.27
  6. Step 6: Final answer
    x = 6,721,837.92

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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.