Home / 21,715,297.02-29,978,744.22-16,742,878.20

Finding the Fourth Proportional to 21,715,297.02, 29,978,744.22 and 16,742,878.20

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Solution

The fourth proportional to 21,715,297.02, 29,978,744.22 and 16,742,878.20 is: 23,114,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715,297.02 : 29,978,744.22 = 16,742,878.20 : x
  2. Step 2: Convert to fraction form
    21,715,297.02/29,978,744.22 = 16,742,878.20/x
  3. Step 3: Cross multiply
    21,715,297.02x = 29,978,744.22 × 16,742,878.20
  4. Step 4: Simplify right side
    21,715,297.02x = 501,930,463,064,413.94
  5. Step 5: Solve for x
    x = 501,930,463,064,413.94/21,715,297.02
  6. Step 6: Final answer
    x = 23,114,142.19

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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.