Home / 12,493,336.80-18,698,533.20-9,071,896.80

Finding the Fourth Proportional to 12,493,336.80, 18,698,533.20 and 9,071,896.80

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Solution

The fourth proportional to 12,493,336.80, 18,698,533.20 and 9,071,896.80 is: 13,577,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493,336.80 : 18,698,533.20 = 9,071,896.80 : x
  2. Step 2: Convert to fraction form
    12,493,336.80/18,698,533.20 = 9,071,896.80/x
  3. Step 3: Cross multiply
    12,493,336.80x = 18,698,533.20 × 9,071,896.80
  4. Step 4: Simplify right side
    12,493,336.80x = 169,631,163,501,773.78
  5. Step 5: Solve for x
    x = 169,631,163,501,773.78/12,493,336.80
  6. Step 6: Final answer
    x = 13,577,730.77

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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.