Home / 20,773,501.31-28,667,443.96-11,606,144.06

Finding the Fourth Proportional to 20,773,501.31, 28,667,443.96 and 11,606,144.06

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Solution

The fourth proportional to 20,773,501.31, 28,667,443.96 and 11,606,144.06 is: 16,016,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773,501.31 : 28,667,443.96 = 11,606,144.06 : x
  2. Step 2: Convert to fraction form
    20,773,501.31/28,667,443.96 = 11,606,144.06/x
  3. Step 3: Cross multiply
    20,773,501.31x = 28,667,443.96 × 11,606,144.06
  4. Step 4: Simplify right side
    20,773,501.31x = 332,718,484,517,913.19
  5. Step 5: Solve for x
    x = 332,718,484,517,913.19/20,773,501.31
  6. Step 6: Final answer
    x = 16,016,485.59

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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.