Home / 20,736,883.60-31,105,325.40-7,268,851.60

Finding the Fourth Proportional to 20,736,883.60, 31,105,325.40 and 7,268,851.60

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Solution

The fourth proportional to 20,736,883.60, 31,105,325.40 and 7,268,851.60 is: 10,903,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,883.60 : 31,105,325.40 = 7,268,851.60 : x
  2. Step 2: Convert to fraction form
    20,736,883.60/31,105,325.40 = 7,268,851.60/x
  3. Step 3: Cross multiply
    20,736,883.60x = 31,105,325.40 × 7,268,851.60
  4. Step 4: Simplify right side
    20,736,883.60x = 226,099,994,302,310.62
  5. Step 5: Solve for x
    x = 226,099,994,302,310.62/20,736,883.60
  6. Step 6: Final answer
    x = 10,903,277.40

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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.