Home / 12,989,270.54-17,925,485.82-8,413,556.24

Finding the Fourth Proportional to 12,989,270.54, 17,925,485.82 and 8,413,556.24

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Solution

The fourth proportional to 12,989,270.54, 17,925,485.82 and 8,413,556.24 is: 11,610,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989,270.54 : 17,925,485.82 = 8,413,556.24 : x
  2. Step 2: Convert to fraction form
    12,989,270.54/17,925,485.82 = 8,413,556.24/x
  3. Step 3: Cross multiply
    12,989,270.54x = 17,925,485.82 × 8,413,556.24
  4. Step 4: Simplify right side
    12,989,270.54x = 150,817,083,075,892.53
  5. Step 5: Solve for x
    x = 150,817,083,075,892.53/12,989,270.54
  6. Step 6: Final answer
    x = 11,610,897.06

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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.