Home / 21,530,319.04-29,712,557.76-11,741,298.96

Finding the Fourth Proportional to 21,530,319.04, 29,712,557.76 and 11,741,298.96

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Solution

The fourth proportional to 21,530,319.04, 29,712,557.76 and 11,741,298.96 is: 16,203,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530,319.04 : 29,712,557.76 = 11,741,298.96 : x
  2. Step 2: Convert to fraction form
    21,530,319.04/29,712,557.76 = 11,741,298.96/x
  3. Step 3: Cross multiply
    21,530,319.04x = 29,712,557.76 × 11,741,298.96
  4. Step 4: Simplify right side
    21,530,319.04x = 348,864,023,526,428
  5. Step 5: Solve for x
    x = 348,864,023,526,428/21,530,319.04
  6. Step 6: Final answer
    x = 16,203,383.84

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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.