Home / 19,250,927.13-28,856,959.88-12,067,505.57

Finding the Fourth Proportional to 19,250,927.13, 28,856,959.88 and 12,067,505.57

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Solution

The fourth proportional to 19,250,927.13, 28,856,959.88 and 12,067,505.57 is: 18,089,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250,927.13 : 28,856,959.88 = 12,067,505.57 : x
  2. Step 2: Convert to fraction form
    19,250,927.13/28,856,959.88 = 12,067,505.57/x
  3. Step 3: Cross multiply
    19,250,927.13x = 28,856,959.88 × 12,067,505.57
  4. Step 4: Simplify right side
    19,250,927.13x = 348,231,523,880,544.19
  5. Step 5: Solve for x
    x = 348,231,523,880,544.19/19,250,927.13
  6. Step 6: Final answer
    x = 18,089,078.08

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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.