Home / 13,434,105.81-20,152,368.87-4,336,419.09

Finding the Fourth Proportional to 13,434,105.81, 20,152,368.87 and 4,336,419.09

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Solution

The fourth proportional to 13,434,105.81, 20,152,368.87 and 4,336,419.09 is: 6,505,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,105.81 : 20,152,368.87 = 4,336,419.09 : x
  2. Step 2: Convert to fraction form
    13,434,105.81/20,152,368.87 = 4,336,419.09/x
  3. Step 3: Cross multiply
    13,434,105.81x = 20,152,368.87 × 4,336,419.09
  4. Step 4: Simplify right side
    13,434,105.81x = 87,389,117,076,589.73
  5. Step 5: Solve for x
    x = 87,389,117,076,589.73/13,434,105.81
  6. Step 6: Final answer
    x = 6,505,019.26

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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.