Home / 28,718,086.88-43,077,505.15-9,548,843.86

Finding the Fourth Proportional to 28,718,086.88, 43,077,505.15 and 9,548,843.86

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Solution

The fourth proportional to 28,718,086.88, 43,077,505.15 and 9,548,843.86 is: 14,323,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718,086.88 : 43,077,505.15 = 9,548,843.86 : x
  2. Step 2: Convert to fraction form
    28,718,086.88/43,077,505.15 = 9,548,843.86/x
  3. Step 3: Cross multiply
    28,718,086.88x = 43,077,505.15 × 9,548,843.86
  4. Step 4: Simplify right side
    28,718,086.88x = 411,340,370,621,478.81
  5. Step 5: Solve for x
    x = 411,340,370,621,478.81/28,718,086.88
  6. Step 6: Final answer
    x = 14,323,390.42

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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.