Home / 18,445,087.65-27,667,631.48-12,776,383.65

Finding the Fourth Proportional to 18,445,087.65, 27,667,631.48 and 12,776,383.65

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Solution

The fourth proportional to 18,445,087.65, 27,667,631.48 and 12,776,383.65 is: 19,164,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,087.65 : 27,667,631.48 = 12,776,383.65 : x
  2. Step 2: Convert to fraction form
    18,445,087.65/27,667,631.48 = 12,776,383.65/x
  3. Step 3: Cross multiply
    18,445,087.65x = 27,667,631.48 × 12,776,383.65
  4. Step 4: Simplify right side
    18,445,087.65x = 353,492,274,411,415.44
  5. Step 5: Solve for x
    x = 353,492,274,411,415.44/18,445,087.65
  6. Step 6: Final answer
    x = 19,164,575.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.