Home / 11,019,482.40-16,496,564.40-8,192,128.80

Finding the Fourth Proportional to 11,019,482.40, 16,496,564.40 and 8,192,128.80

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Solution

The fourth proportional to 11,019,482.40, 16,496,564.40 and 8,192,128.80 is: 12,263,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019,482.40 : 16,496,564.40 = 8,192,128.80 : x
  2. Step 2: Convert to fraction form
    11,019,482.40/16,496,564.40 = 8,192,128.80/x
  3. Step 3: Cross multiply
    11,019,482.40x = 16,496,564.40 × 8,192,128.80
  4. Step 4: Simplify right side
    11,019,482.40x = 135,141,980,322,294.72
  5. Step 5: Solve for x
    x = 135,141,980,322,294.72/11,019,482.40
  6. Step 6: Final answer
    x = 12,263,913.62

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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.