Home / 22,107,953.62-30,509,097.03-12,821,029.93

Finding the Fourth Proportional to 22,107,953.62, 30,509,097.03 and 12,821,029.93

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Solution

The fourth proportional to 22,107,953.62, 30,509,097.03 and 12,821,029.93 is: 17,693,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107,953.62 : 30,509,097.03 = 12,821,029.93 : x
  2. Step 2: Convert to fraction form
    22,107,953.62/30,509,097.03 = 12,821,029.93/x
  3. Step 3: Cross multiply
    22,107,953.62x = 30,509,097.03 × 12,821,029.93
  4. Step 4: Simplify right side
    22,107,953.62x = 391,158,046,158,904.12
  5. Step 5: Solve for x
    x = 391,158,046,158,904.12/22,107,953.62
  6. Step 6: Final answer
    x = 17,693,091.49

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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.