Home / 12,679,586.91-17,473,667.09-12,446,376.17

Finding the Fourth Proportional to 12,679,586.91, 17,473,667.09 and 12,446,376.17

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Solution

The fourth proportional to 12,679,586.91, 17,473,667.09 and 12,446,376.17 is: 17,152,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,586.91 : 17,473,667.09 = 12,446,376.17 : x
  2. Step 2: Convert to fraction form
    12,679,586.91/17,473,667.09 = 12,446,376.17/x
  3. Step 3: Cross multiply
    12,679,586.91x = 17,473,667.09 × 12,446,376.17
  4. Step 4: Simplify right side
    12,679,586.91x = 217,483,833,521,889.03
  5. Step 5: Solve for x
    x = 217,483,833,521,889.03/12,679,586.91
  6. Step 6: Final answer
    x = 17,152,280.67

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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.