Home / 14,947,836.30-20,628,014.04-8,072,317.98

Finding the Fourth Proportional to 14,947,836.30, 20,628,014.04 and 8,072,317.98

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Solution

The fourth proportional to 14,947,836.30, 20,628,014.04 and 8,072,317.98 is: 11,139,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,836.30 : 20,628,014.04 = 8,072,317.98 : x
  2. Step 2: Convert to fraction form
    14,947,836.30/20,628,014.04 = 8,072,317.98/x
  3. Step 3: Cross multiply
    14,947,836.30x = 20,628,014.04 × 8,072,317.98
  4. Step 4: Simplify right side
    14,947,836.30x = 166,515,888,626,784.44
  5. Step 5: Solve for x
    x = 166,515,888,626,784.44/14,947,836.30
  6. Step 6: Final answer
    x = 11,139,798.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.