Home / 19,251,648.19-28,858,029.82-12,068,217.06

Finding the Fourth Proportional to 19,251,648.19, 28,858,029.82 and 12,068,217.06

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Solution

The fourth proportional to 19,251,648.19, 28,858,029.82 and 12,068,217.06 is: 18,090,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,648.19 : 28,858,029.82 = 12,068,217.06 : x
  2. Step 2: Convert to fraction form
    19,251,648.19/28,858,029.82 = 12,068,217.06/x
  3. Step 3: Cross multiply
    19,251,648.19x = 28,858,029.82 × 12,068,217.06
  4. Step 4: Simplify right side
    19,251,648.19x = 348,264,967,791,712.75
  5. Step 5: Solve for x
    x = 348,264,967,791,712.75/19,251,648.19
  6. Step 6: Final answer
    x = 18,090,137.76

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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.