Home / 13,465,416.70-20,198,125.05-9,355,606.30

Finding the Fourth Proportional to 13,465,416.70, 20,198,125.05 and 9,355,606.30

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Solution

The fourth proportional to 13,465,416.70, 20,198,125.05 and 9,355,606.30 is: 14,033,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,416.70 : 20,198,125.05 = 9,355,606.30 : x
  2. Step 2: Convert to fraction form
    13,465,416.70/20,198,125.05 = 9,355,606.30/x
  3. Step 3: Cross multiply
    13,465,416.70x = 20,198,125.05 × 9,355,606.30
  4. Step 4: Simplify right side
    13,465,416.70x = 188,965,705,965,967.84
  5. Step 5: Solve for x
    x = 188,965,705,965,967.84/13,465,416.70
  6. Step 6: Final answer
    x = 14,033,409.45

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Similar ratio
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1.5x scale

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.