Home / 29,720,871.72-40,976,832.96-19,248,383.34

Finding the Fourth Proportional to 29,720,871.72, 40,976,832.96 and 19,248,383.34

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Solution

The fourth proportional to 29,720,871.72, 40,976,832.96 and 19,248,383.34 is: 26,538,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720,871.72 : 40,976,832.96 = 19,248,383.34 : x
  2. Step 2: Convert to fraction form
    29,720,871.72/40,976,832.96 = 19,248,383.34/x
  3. Step 3: Cross multiply
    29,720,871.72x = 40,976,832.96 × 19,248,383.34
  4. Step 4: Simplify right side
    29,720,871.72x = 788,737,788,873,226.88
  5. Step 5: Solve for x
    x = 788,737,788,873,226.88/29,720,871.72
  6. Step 6: Final answer
    x = 26,538,178.16

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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.