Home / 21,675,792.17-29,883,655.76-17,220,131.01

Finding the Fourth Proportional to 21,675,792.17, 29,883,655.76 and 17,220,131.01

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Solution

The fourth proportional to 21,675,792.17, 29,883,655.76 and 17,220,131.01 is: 23,740,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675,792.17 : 29,883,655.76 = 17,220,131.01 : x
  2. Step 2: Convert to fraction form
    21,675,792.17/29,883,655.76 = 17,220,131.01/x
  3. Step 3: Cross multiply
    21,675,792.17x = 29,883,655.76 × 17,220,131.01
  4. Step 4: Simplify right side
    21,675,792.17x = 514,600,467,158,840.50
  5. Step 5: Solve for x
    x = 514,600,467,158,840.50/21,675,792.17
  6. Step 6: Final answer
    x = 23,740,791.71

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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.