Home / 22,677,165.95-31,297,145.83-12,889,081.51

Finding the Fourth Proportional to 22,677,165.95, 31,297,145.83 and 12,889,081.51

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Solution

The fourth proportional to 22,677,165.95, 31,297,145.83 and 12,889,081.51 is: 17,788,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677,165.95 : 31,297,145.83 = 12,889,081.51 : x
  2. Step 2: Convert to fraction form
    22,677,165.95/31,297,145.83 = 12,889,081.51/x
  3. Step 3: Cross multiply
    22,677,165.95x = 31,297,145.83 × 12,889,081.51
  4. Step 4: Simplify right side
    22,677,165.95x = 403,391,463,476,740.88
  5. Step 5: Solve for x
    x = 403,391,463,476,740.88/22,677,165.95
  6. Step 6: Final answer
    x = 17,788,442.54

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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.