Home / 22,588,235.57-31,174,422.32-13,420,878.32

Finding the Fourth Proportional to 22,588,235.57, 31,174,422.32 and 13,420,878.32

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Solution

The fourth proportional to 22,588,235.57, 31,174,422.32 and 13,420,878.32 is: 18,522,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,588,235.57 : 31,174,422.32 = 13,420,878.32 : x
  2. Step 2: Convert to fraction form
    22,588,235.57/31,174,422.32 = 13,420,878.32/x
  3. Step 3: Cross multiply
    22,588,235.57x = 31,174,422.32 × 13,420,878.32
  4. Step 4: Simplify right side
    22,588,235.57x = 418,388,128,764,500.38
  5. Step 5: Solve for x
    x = 418,388,128,764,500.38/22,588,235.57
  6. Step 6: Final answer
    x = 18,522,390.89

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1.5x scale

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.