Home / 21,644,791.04-29,869,828.08-11,721,751.04

Finding the Fourth Proportional to 21,644,791.04, 29,869,828.08 and 11,721,751.04

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Solution

The fourth proportional to 21,644,791.04, 29,869,828.08 and 11,721,751.04 is: 16,176,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644,791.04 : 29,869,828.08 = 11,721,751.04 : x
  2. Step 2: Convert to fraction form
    21,644,791.04/29,869,828.08 = 11,721,751.04/x
  3. Step 3: Cross multiply
    21,644,791.04x = 29,869,828.08 × 11,721,751.04
  4. Step 4: Simplify right side
    21,644,791.04x = 350,126,688,361,361.12
  5. Step 5: Solve for x
    x = 350,126,688,361,361.12/21,644,791.04
  6. Step 6: Final answer
    x = 16,176,025.34

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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.