Home / 21,637,883.47-29,859,998.38-12,345,213.55

Finding the Fourth Proportional to 21,637,883.47, 29,859,998.38 and 12,345,213.55

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Solution

The fourth proportional to 21,637,883.47, 29,859,998.38 and 12,345,213.55 is: 17,036,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,883.47 : 29,859,998.38 = 12,345,213.55 : x
  2. Step 2: Convert to fraction form
    21,637,883.47/29,859,998.38 = 12,345,213.55/x
  3. Step 3: Cross multiply
    21,637,883.47x = 29,859,998.38 × 12,345,213.55
  4. Step 4: Simplify right side
    21,637,883.47x = 368,628,056,603,754.06
  5. Step 5: Solve for x
    x = 368,628,056,603,754.06/21,637,883.47
  6. Step 6: Final answer
    x = 17,036,234.49

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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.