Home / 10,929,005.40-16,404,005.70-5,543,736.60

Finding the Fourth Proportional to 10,929,005.40, 16,404,005.70 and 5,543,736.60

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Solution

The fourth proportional to 10,929,005.40, 16,404,005.70 and 5,543,736.60 is: 8,320,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,005.40 : 16,404,005.70 = 5,543,736.60 : x
  2. Step 2: Convert to fraction form
    10,929,005.40/16,404,005.70 = 5,543,736.60/x
  3. Step 3: Cross multiply
    10,929,005.40x = 16,404,005.70 × 5,543,736.60
  4. Step 4: Simplify right side
    10,929,005.40x = 90,939,486,785,698.61
  5. Step 5: Solve for x
    x = 90,939,486,785,698.61/10,929,005.40
  6. Step 6: Final answer
    x = 8,320,929.81

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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.