Home / 20,322,901.31-28,045,634.59-11,030,474.77

Finding the Fourth Proportional to 20,322,901.31, 28,045,634.59 and 11,030,474.77

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Solution

The fourth proportional to 20,322,901.31, 28,045,634.59 and 11,030,474.77 is: 15,222,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,901.31 : 28,045,634.59 = 11,030,474.77 : x
  2. Step 2: Convert to fraction form
    20,322,901.31/28,045,634.59 = 11,030,474.77/x
  3. Step 3: Cross multiply
    20,322,901.31x = 28,045,634.59 × 11,030,474.77
  4. Step 4: Simplify right side
    20,322,901.31x = 309,356,664,613,406.12
  5. Step 5: Solve for x
    x = 309,356,664,613,406.12/20,322,901.31
  6. Step 6: Final answer
    x = 15,222,071.89

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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.