Home / 20,346,723.15-28,078,796.48-11,054,477.27

Finding the Fourth Proportional to 20,346,723.15, 28,078,796.48 and 11,054,477.27

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Solution

The fourth proportional to 20,346,723.15, 28,078,796.48 and 11,054,477.27 is: 15,255,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,723.15 : 28,078,796.48 = 11,054,477.27 : x
  2. Step 2: Convert to fraction form
    20,346,723.15/28,078,796.48 = 11,054,477.27/x
  3. Step 3: Cross multiply
    20,346,723.15x = 28,078,796.48 × 11,054,477.27
  4. Step 4: Simplify right side
    20,346,723.15x = 310,396,417,261,449.69
  5. Step 5: Solve for x
    x = 310,396,417,261,449.69/20,346,723.15
  6. Step 6: Final answer
    x = 15,255,351.68

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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.