Home / 28,078,959.44-38,749,220.16-16,476,716.36

Finding the Fourth Proportional to 28,078,959.44, 38,749,220.16 and 16,476,716.36

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Solution

The fourth proportional to 28,078,959.44, 38,749,220.16 and 16,476,716.36 is: 22,738,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,959.44 : 38,749,220.16 = 16,476,716.36 : x
  2. Step 2: Convert to fraction form
    28,078,959.44/38,749,220.16 = 16,476,716.36/x
  3. Step 3: Cross multiply
    28,078,959.44x = 38,749,220.16 × 16,476,716.36
  4. Step 4: Simplify right side
    28,078,959.44x = 638,459,909,747,513.75
  5. Step 5: Solve for x
    x = 638,459,909,747,513.75/28,078,959.44
  6. Step 6: Final answer
    x = 22,738,018.88

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1.5x scale

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.