Home / 20,713,167.36-31,048,194.96-11,601,907.20

Finding the Fourth Proportional to 20,713,167.36, 31,048,194.96 and 11,601,907.20

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Solution

The fourth proportional to 20,713,167.36, 31,048,194.96 and 11,601,907.20 is: 17,390,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,167.36 : 31,048,194.96 = 11,601,907.20 : x
  2. Step 2: Convert to fraction form
    20,713,167.36/31,048,194.96 = 11,601,907.20/x
  3. Step 3: Cross multiply
    20,713,167.36x = 31,048,194.96 × 11,601,907.20
  4. Step 4: Simplify right side
    20,713,167.36x = 360,218,276,653,427.69
  5. Step 5: Solve for x
    x = 360,218,276,653,427.69/20,713,167.36
  6. Step 6: Final answer
    x = 17,390,786.76

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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.