Home / 19,251,498.22-28,857,816.54-12,068,076.70

Finding the Fourth Proportional to 19,251,498.22, 28,857,816.54 and 12,068,076.70

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Solution

The fourth proportional to 19,251,498.22, 28,857,816.54 and 12,068,076.70 is: 18,089,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,498.22 : 28,857,816.54 = 12,068,076.70 : x
  2. Step 2: Convert to fraction form
    19,251,498.22/28,857,816.54 = 12,068,076.70/x
  3. Step 3: Cross multiply
    19,251,498.22x = 28,857,816.54 × 12,068,076.70
  4. Step 4: Simplify right side
    19,251,498.22x = 348,258,343,435,320.88
  5. Step 5: Solve for x
    x = 348,258,343,435,320.88/19,251,498.22
  6. Step 6: Final answer
    x = 18,089,934.59

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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.