Home / 18,723,022.20-28,084,533.30-9,133,464.60

Finding the Fourth Proportional to 18,723,022.20, 28,084,533.30 and 9,133,464.60

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Solution

The fourth proportional to 18,723,022.20, 28,084,533.30 and 9,133,464.60 is: 13,700,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,022.20 : 28,084,533.30 = 9,133,464.60 : x
  2. Step 2: Convert to fraction form
    18,723,022.20/28,084,533.30 = 9,133,464.60/x
  3. Step 3: Cross multiply
    18,723,022.20x = 28,084,533.30 × 9,133,464.60
  4. Step 4: Simplify right side
    18,723,022.20x = 256,509,090,703,071.19
  5. Step 5: Solve for x
    x = 256,509,090,703,071.19/18,723,022.20
  6. Step 6: Final answer
    x = 13,700,196.90

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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.