Home / 18,213,244.60-27,316,367.70-5,434,166.20

Finding the Fourth Proportional to 18,213,244.60, 27,316,367.70 and 5,434,166.20

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Solution

The fourth proportional to 18,213,244.60, 27,316,367.70 and 5,434,166.20 is: 8,150,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,244.60 : 27,316,367.70 = 5,434,166.20 : x
  2. Step 2: Convert to fraction form
    18,213,244.60/27,316,367.70 = 5,434,166.20/x
  3. Step 3: Cross multiply
    18,213,244.60x = 27,316,367.70 × 5,434,166.20
  4. Step 4: Simplify right side
    18,213,244.60x = 148,441,682,062,111.75
  5. Step 5: Solve for x
    x = 148,441,682,062,111.75/18,213,244.60
  6. Step 6: Final answer
    x = 8,150,205.27

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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.