Home / 21,090,083.04-29,105,285.04-11,923,112.16

Finding the Fourth Proportional to 21,090,083.04, 29,105,285.04 and 11,923,112.16

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Solution

The fourth proportional to 21,090,083.04, 29,105,285.04 and 11,923,112.16 is: 16,454,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,090,083.04 : 29,105,285.04 = 11,923,112.16 : x
  2. Step 2: Convert to fraction form
    21,090,083.04/29,105,285.04 = 11,923,112.16/x
  3. Step 3: Cross multiply
    21,090,083.04x = 29,105,285.04 × 11,923,112.16
  4. Step 4: Simplify right side
    21,090,083.04x = 347,025,577,980,690.06
  5. Step 5: Solve for x
    x = 347,025,577,980,690.06/21,090,083.04
  6. Step 6: Final answer
    x = 16,454,443.41

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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.