Home / 10,951,472.80-16,427,209.20-9,271,856.80

Finding the Fourth Proportional to 10,951,472.80, 16,427,209.20 and 9,271,856.80

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Solution

The fourth proportional to 10,951,472.80, 16,427,209.20 and 9,271,856.80 is: 13,907,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951,472.80 : 16,427,209.20 = 9,271,856.80 : x
  2. Step 2: Convert to fraction form
    10,951,472.80/16,427,209.20 = 9,271,856.80/x
  3. Step 3: Cross multiply
    10,951,472.80x = 16,427,209.20 × 9,271,856.80
  4. Step 4: Simplify right side
    10,951,472.80x = 152,310,731,326,042.56
  5. Step 5: Solve for x
    x = 152,310,731,326,042.56/10,951,472.80
  6. Step 6: Final answer
    x = 13,907,785.20

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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.