Home / 11,105,117.20-16,662,924.60-4,720,826.80

Finding the Fourth Proportional to 11,105,117.20, 16,662,924.60 and 4,720,826.80

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Solution

The fourth proportional to 11,105,117.20, 16,662,924.60 and 4,720,826.80 is: 7,083,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105,117.20 : 16,662,924.60 = 4,720,826.80 : x
  2. Step 2: Convert to fraction form
    11,105,117.20/16,662,924.60 = 4,720,826.80/x
  3. Step 3: Cross multiply
    11,105,117.20x = 16,662,924.60 × 4,720,826.80
  4. Step 4: Simplify right side
    11,105,117.20x = 78,662,781,018,059.28
  5. Step 5: Solve for x
    x = 78,662,781,018,059.28/11,105,117.20
  6. Step 6: Final answer
    x = 7,083,471.48

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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.