Home / 10,903,553.40-16,355,330.10-10,082,407.80

Finding the Fourth Proportional to 10,903,553.40, 16,355,330.10 and 10,082,407.80

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Solution

The fourth proportional to 10,903,553.40, 16,355,330.10 and 10,082,407.80 is: 15,123,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,553.40 : 16,355,330.10 = 10,082,407.80 : x
  2. Step 2: Convert to fraction form
    10,903,553.40/16,355,330.10 = 10,082,407.80/x
  3. Step 3: Cross multiply
    10,903,553.40x = 16,355,330.10 × 10,082,407.80
  4. Step 4: Simplify right side
    10,903,553.40x = 164,901,107,771,814.78
  5. Step 5: Solve for x
    x = 164,901,107,771,814.78/10,903,553.40
  6. Step 6: Final answer
    x = 15,123,611.70

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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.