Home / 20,050,117.92-30,070,361.37-9,257,048.76

Finding the Fourth Proportional to 20,050,117.92, 30,070,361.37 and 9,257,048.76

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Solution

The fourth proportional to 20,050,117.92, 30,070,361.37 and 9,257,048.76 is: 13,883,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,117.92 : 30,070,361.37 = 9,257,048.76 : x
  2. Step 2: Convert to fraction form
    20,050,117.92/30,070,361.37 = 9,257,048.76/x
  3. Step 3: Cross multiply
    20,050,117.92x = 30,070,361.37 × 9,257,048.76
  4. Step 4: Simplify right side
    20,050,117.92x = 278,362,801,432,910.41
  5. Step 5: Solve for x
    x = 278,362,801,432,910.41/20,050,117.92
  6. Step 6: Final answer
    x = 13,883,349.84

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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.