Home / 21,049,379.04-29,048,142.72-11,391,587.04

Finding the Fourth Proportional to 21,049,379.04, 29,048,142.72 and 11,391,587.04

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Solution

The fourth proportional to 21,049,379.04, 29,048,142.72 and 11,391,587.04 is: 15,720,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,379.04 : 29,048,142.72 = 11,391,587.04 : x
  2. Step 2: Convert to fraction form
    21,049,379.04/29,048,142.72 = 11,391,587.04/x
  3. Step 3: Cross multiply
    21,049,379.04x = 29,048,142.72 × 11,391,587.04
  4. Step 4: Simplify right side
    21,049,379.04x = 330,904,446,145,222.31
  5. Step 5: Solve for x
    x = 330,904,446,145,222.31/21,049,379.04
  6. Step 6: Final answer
    x = 15,720,389.92

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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.