Home / 20,659,460.51-31,008,606.29-10,818,587.31

Finding the Fourth Proportional to 20,659,460.51, 31,008,606.29 and 10,818,587.31

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Solution

The fourth proportional to 20,659,460.51, 31,008,606.29 and 10,818,587.31 is: 16,238,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,460.51 : 31,008,606.29 = 10,818,587.31 : x
  2. Step 2: Convert to fraction form
    20,659,460.51/31,008,606.29 = 10,818,587.31/x
  3. Step 3: Cross multiply
    20,659,460.51x = 31,008,606.29 × 10,818,587.31
  4. Step 4: Simplify right side
    20,659,460.51x = 335,469,314,455,687.25
  5. Step 5: Solve for x
    x = 335,469,314,455,687.25/20,659,460.51
  6. Step 6: Final answer
    x = 16,238,048.15

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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.