Home / 10,992,607.20-16,488,910.80-5,323,903.20

Finding the Fourth Proportional to 10,992,607.20, 16,488,910.80 and 5,323,903.20

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Solution

The fourth proportional to 10,992,607.20, 16,488,910.80 and 5,323,903.20 is: 7,985,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,607.20 : 16,488,910.80 = 5,323,903.20 : x
  2. Step 2: Convert to fraction form
    10,992,607.20/16,488,910.80 = 5,323,903.20/x
  3. Step 3: Cross multiply
    10,992,607.20x = 16,488,910.80 × 5,323,903.20
  4. Step 4: Simplify right side
    10,992,607.20x = 87,785,364,972,634.56
  5. Step 5: Solve for x
    x = 87,785,364,972,634.56/10,992,607.20
  6. Step 6: Final answer
    x = 7,985,854.80

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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.