Home / 21,694,229.19-29,930,621.04-12,395,127.06

Finding the Fourth Proportional to 21,694,229.19, 29,930,621.04 and 12,395,127.06

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Solution

The fourth proportional to 21,694,229.19, 29,930,621.04 and 12,395,127.06 is: 17,101,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,229.19 : 29,930,621.04 = 12,395,127.06 : x
  2. Step 2: Convert to fraction form
    21,694,229.19/29,930,621.04 = 12,395,127.06/x
  3. Step 3: Cross multiply
    21,694,229.19x = 29,930,621.04 × 12,395,127.06
  4. Step 4: Simplify right side
    21,694,229.19x = 370,993,850,775,509.38
  5. Step 5: Solve for x
    x = 370,993,850,775,509.38/21,694,229.19
  6. Step 6: Final answer
    x = 17,101,038.60

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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.