Home / 25,285,817.21-34,894,427.78-13,683,380.67

Finding the Fourth Proportional to 25,285,817.21, 34,894,427.78 and 13,683,380.67

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Solution

The fourth proportional to 25,285,817.21, 34,894,427.78 and 13,683,380.67 is: 18,883,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285,817.21 : 34,894,427.78 = 13,683,380.67 : x
  2. Step 2: Convert to fraction form
    25,285,817.21/34,894,427.78 = 13,683,380.67/x
  3. Step 3: Cross multiply
    25,285,817.21x = 34,894,427.78 × 13,683,380.67
  4. Step 4: Simplify right side
    25,285,817.21x = 477,473,738,507,146.06
  5. Step 5: Solve for x
    x = 477,473,738,507,146.06/25,285,817.21
  6. Step 6: Final answer
    x = 18,883,065.34

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1.5x scale

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.