Home / 14,736,670.50-20,336,128.57-8,458,231.35

Finding the Fourth Proportional to 14,736,670.50, 20,336,128.57 and 8,458,231.35

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Solution

The fourth proportional to 14,736,670.50, 20,336,128.57 and 8,458,231.35 is: 11,672,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736,670.50 : 20,336,128.57 = 8,458,231.35 : x
  2. Step 2: Convert to fraction form
    14,736,670.50/20,336,128.57 = 8,458,231.35/x
  3. Step 3: Cross multiply
    14,736,670.50x = 20,336,128.57 × 8,458,231.35
  4. Step 4: Simplify right side
    14,736,670.50x = 172,007,680,085,578.44
  5. Step 5: Solve for x
    x = 172,007,680,085,578.44/14,736,670.50
  6. Step 6: Final answer
    x = 11,672,085.64

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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.