Home / 21,665,099.39-29,898,198.38-11,742,298.98

Finding the Fourth Proportional to 21,665,099.39, 29,898,198.38 and 11,742,298.98

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Solution

The fourth proportional to 21,665,099.39, 29,898,198.38 and 11,742,298.98 is: 16,204,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665,099.39 : 29,898,198.38 = 11,742,298.98 : x
  2. Step 2: Convert to fraction form
    21,665,099.39/29,898,198.38 = 11,742,298.98/x
  3. Step 3: Cross multiply
    21,665,099.39x = 29,898,198.38 × 11,742,298.98
  4. Step 4: Simplify right side
    21,665,099.39x = 351,073,584,258,549.19
  5. Step 5: Solve for x
    x = 351,073,584,258,549.19/21,665,099.39
  6. Step 6: Final answer
    x = 16,204,568.37

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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.