Home / 25,285,816.70-34,894,427.09-13,683,380.18

Finding the Fourth Proportional to 25,285,816.70, 34,894,427.09 and 13,683,380.18

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Solution

The fourth proportional to 25,285,816.70, 34,894,427.09 and 13,683,380.18 is: 18,883,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285,816.70 : 34,894,427.09 = 13,683,380.18 : x
  2. Step 2: Convert to fraction form
    25,285,816.70/34,894,427.09 = 13,683,380.18/x
  3. Step 3: Cross multiply
    25,285,816.70x = 34,894,427.09 × 13,683,380.18
  4. Step 4: Simplify right side
    25,285,816.70x = 477,473,711,861,289
  5. Step 5: Solve for x
    x = 477,473,711,861,289/25,285,816.70
  6. Step 6: Final answer
    x = 18,883,064.67

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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.