Home / 18,483,048.80-27,724,054.80-8,385,653.60

Finding the Fourth Proportional to 18,483,048.80, 27,724,054.80 and 8,385,653.60

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Solution

The fourth proportional to 18,483,048.80, 27,724,054.80 and 8,385,653.60 is: 12,578,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483,048.80 : 27,724,054.80 = 8,385,653.60 : x
  2. Step 2: Convert to fraction form
    18,483,048.80/27,724,054.80 = 8,385,653.60/x
  3. Step 3: Cross multiply
    18,483,048.80x = 27,724,054.80 × 8,385,653.60
  4. Step 4: Simplify right side
    18,483,048.80x = 232,484,319,940,217.28
  5. Step 5: Solve for x
    x = 232,484,319,940,217.28/18,483,048.80
  6. Step 6: Final answer
    x = 12,578,245.20

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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.