Home / 20,712,933.21-31,068,281.37-6,336,002.64

Finding the Fourth Proportional to 20,712,933.21, 31,068,281.37 and 6,336,002.64

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Solution

The fourth proportional to 20,712,933.21, 31,068,281.37 and 6,336,002.64 is: 9,503,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,933.21 : 31,068,281.37 = 6,336,002.64 : x
  2. Step 2: Convert to fraction form
    20,712,933.21/31,068,281.37 = 6,336,002.64/x
  3. Step 3: Cross multiply
    20,712,933.21x = 31,068,281.37 × 6,336,002.64
  4. Step 4: Simplify right side
    20,712,933.21x = 196,848,712,780,582.81
  5. Step 5: Solve for x
    x = 196,848,712,780,582.81/20,712,933.21
  6. Step 6: Final answer
    x = 9,503,661.83

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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.