Home / 21,960,389.13-30,305,339.81-12,171,465.28

Finding the Fourth Proportional to 21,960,389.13, 30,305,339.81 and 12,171,465.28

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Solution

The fourth proportional to 21,960,389.13, 30,305,339.81 and 12,171,465.28 is: 16,796,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,389.13 : 30,305,339.81 = 12,171,465.28 : x
  2. Step 2: Convert to fraction form
    21,960,389.13/30,305,339.81 = 12,171,465.28/x
  3. Step 3: Cross multiply
    21,960,389.13x = 30,305,339.81 × 12,171,465.28
  4. Step 4: Simplify right side
    21,960,389.13x = 368,860,391,296,016.75
  5. Step 5: Solve for x
    x = 368,860,391,296,016.75/21,960,389.13
  6. Step 6: Final answer
    x = 16,796,623.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.