Home / 28,917,580.72-43,348,803.72-9,738,468.40

Finding the Fourth Proportional to 28,917,580.72, 43,348,803.72 and 9,738,468.40

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Solution

The fourth proportional to 28,917,580.72, 43,348,803.72 and 9,738,468.40 is: 14,598,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917,580.72 : 43,348,803.72 = 9,738,468.40 : x
  2. Step 2: Convert to fraction form
    28,917,580.72/43,348,803.72 = 9,738,468.40/x
  3. Step 3: Cross multiply
    28,917,580.72x = 43,348,803.72 × 9,738,468.40
  4. Step 4: Simplify right side
    28,917,580.72x = 422,150,955,205,022.44
  5. Step 5: Solve for x
    x = 422,150,955,205,022.44/28,917,580.72
  6. Step 6: Final answer
    x = 14,598,418.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.