Home / 40,004,566.30-55,206,566.55-21,669,851.62

Finding the Fourth Proportional to 40,004,566.30, 55,206,566.55 and 21,669,851.62

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Solution

The fourth proportional to 40,004,566.30, 55,206,566.55 and 21,669,851.62 is: 29,904,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004,566.30 : 55,206,566.55 = 21,669,851.62 : x
  2. Step 2: Convert to fraction form
    40,004,566.30/55,206,566.55 = 21,669,851.62/x
  3. Step 3: Cross multiply
    40,004,566.30x = 55,206,566.55 × 21,669,851.62
  4. Step 4: Simplify right side
    40,004,566.30x = 1,196,318,105,588,155.25
  5. Step 5: Solve for x
    x = 1,196,318,105,588,155.25/40,004,566.30
  6. Step 6: Final answer
    x = 29,904,538.81

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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.