Home / 15,641,313.36-21,580,959.78-9,441,459.96

Finding the Fourth Proportional to 15,641,313.36, 21,580,959.78 and 9,441,459.96

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Solution

The fourth proportional to 15,641,313.36, 21,580,959.78 and 9,441,459.96 is: 13,026,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,313.36 : 21,580,959.78 = 9,441,459.96 : x
  2. Step 2: Convert to fraction form
    15,641,313.36/21,580,959.78 = 9,441,459.96/x
  3. Step 3: Cross multiply
    15,641,313.36x = 21,580,959.78 × 9,441,459.96
  4. Step 4: Simplify right side
    15,641,313.36x = 203,755,767,661,240.44
  5. Step 5: Solve for x
    x = 203,755,767,661,240.44/15,641,313.36
  6. Step 6: Final answer
    x = 13,026,768.47

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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.