Home / 17,686,362.40-26,557,537.20-13,431,335.20

Finding the Fourth Proportional to 17,686,362.40, 26,557,537.20 and 13,431,335.20

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Solution

The fourth proportional to 17,686,362.40, 26,557,537.20 and 13,431,335.20 is: 20,168,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686,362.40 : 26,557,537.20 = 13,431,335.20 : x
  2. Step 2: Convert to fraction form
    17,686,362.40/26,557,537.20 = 13,431,335.20/x
  3. Step 3: Cross multiply
    17,686,362.40x = 26,557,537.20 × 13,431,335.20
  4. Step 4: Simplify right side
    17,686,362.40x = 356,703,184,219,669.44
  5. Step 5: Solve for x
    x = 356,703,184,219,669.44/17,686,362.40
  6. Step 6: Final answer
    x = 20,168,261.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.