Home / 28,728,362.21-43,092,259.31-13,161,775.28

Finding the Fourth Proportional to 28,728,362.21, 43,092,259.31 and 13,161,775.28

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Solution

The fourth proportional to 28,728,362.21, 43,092,259.31 and 13,161,775.28 is: 19,742,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,362.21 : 43,092,259.31 = 13,161,775.28 : x
  2. Step 2: Convert to fraction form
    28,728,362.21/43,092,259.31 = 13,161,775.28/x
  3. Step 3: Cross multiply
    28,728,362.21x = 43,092,259.31 × 13,161,775.28
  4. Step 4: Simplify right side
    28,728,362.21x = 567,170,633,279,899
  5. Step 5: Solve for x
    x = 567,170,633,279,899/28,728,362.21
  6. Step 6: Final answer
    x = 19,742,532.81

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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.