Home / 19,251,645.44-28,858,025.70-12,068,214.31

Finding the Fourth Proportional to 19,251,645.44, 28,858,025.70 and 12,068,214.31

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Solution

The fourth proportional to 19,251,645.44, 28,858,025.70 and 12,068,214.31 is: 18,090,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,645.44 : 28,858,025.70 = 12,068,214.31 : x
  2. Step 2: Convert to fraction form
    19,251,645.44/28,858,025.70 = 12,068,214.31/x
  3. Step 3: Cross multiply
    19,251,645.44x = 28,858,025.70 × 12,068,214.31
  4. Step 4: Simplify right side
    19,251,645.44x = 348,264,838,638,942.69
  5. Step 5: Solve for x
    x = 348,264,838,638,942.69/19,251,645.44
  6. Step 6: Final answer
    x = 18,090,133.63

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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.