Home / 21,298,235.46-29,391,564.24-11,508,679.44

Finding the Fourth Proportional to 21,298,235.46, 29,391,564.24 and 11,508,679.44

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Solution

The fourth proportional to 21,298,235.46, 29,391,564.24 and 11,508,679.44 is: 15,881,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,298,235.46 : 29,391,564.24 = 11,508,679.44 : x
  2. Step 2: Convert to fraction form
    21,298,235.46/29,391,564.24 = 11,508,679.44/x
  3. Step 3: Cross multiply
    21,298,235.46x = 29,391,564.24 × 11,508,679.44
  4. Step 4: Simplify right side
    21,298,235.46x = 338,258,091,078,327.19
  5. Step 5: Solve for x
    x = 338,258,091,078,327.19/21,298,235.46
  6. Step 6: Final answer
    x = 15,881,977.25

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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.