Home / 20,068,076.40-30,102,114.60-4,922,007.90

Finding the Fourth Proportional to 20,068,076.40, 30,102,114.60 and 4,922,007.90

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Solution

The fourth proportional to 20,068,076.40, 30,102,114.60 and 4,922,007.90 is: 7,383,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068,076.40 : 30,102,114.60 = 4,922,007.90 : x
  2. Step 2: Convert to fraction form
    20,068,076.40/30,102,114.60 = 4,922,007.90/x
  3. Step 3: Cross multiply
    20,068,076.40x = 30,102,114.60 × 4,922,007.90
  4. Step 4: Simplify right side
    20,068,076.40x = 148,162,845,867,905.34
  5. Step 5: Solve for x
    x = 148,162,845,867,905.34/20,068,076.40
  6. Step 6: Final answer
    x = 7,383,011.85

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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.