Home / 15,631,210.98-21,571,759.44-8,661,869.64

Finding the Fourth Proportional to 15,631,210.98, 21,571,759.44 and 8,661,869.64

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Solution

The fourth proportional to 15,631,210.98, 21,571,759.44 and 8,661,869.64 is: 11,953,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,210.98 : 21,571,759.44 = 8,661,869.64 : x
  2. Step 2: Convert to fraction form
    15,631,210.98/21,571,759.44 = 8,661,869.64/x
  3. Step 3: Cross multiply
    15,631,210.98x = 21,571,759.44 × 8,661,869.64
  4. Step 4: Simplify right side
    15,631,210.98x = 186,851,768,174,719.44
  5. Step 5: Solve for x
    x = 186,851,768,174,719.44/15,631,210.98
  6. Step 6: Final answer
    x = 11,953,761.51

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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.