Home / 21,675,632.40-29,883,435.48-17,219,971.26

Finding the Fourth Proportional to 21,675,632.40, 29,883,435.48 and 17,219,971.26

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Solution

The fourth proportional to 21,675,632.40, 29,883,435.48 and 17,219,971.26 is: 23,740,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675,632.40 : 29,883,435.48 = 17,219,971.26 : x
  2. Step 2: Convert to fraction form
    21,675,632.40/29,883,435.48 = 17,219,971.26/x
  3. Step 3: Cross multiply
    21,675,632.40x = 29,883,435.48 × 17,219,971.26
  4. Step 4: Simplify right side
    21,675,632.40x = 514,591,900,115,664.38
  5. Step 5: Solve for x
    x = 514,591,900,115,664.38/21,675,632.40
  6. Step 6: Final answer
    x = 23,740,571.47

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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.