Home / 20,790,380.93-31,183,188.80-5,439,152.00

Finding the Fourth Proportional to 20,790,380.93, 31,183,188.80 and 5,439,152.00

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Solution

The fourth proportional to 20,790,380.93, 31,183,188.80 and 5,439,152.00 is: 8,158,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,380.93 : 31,183,188.80 = 5,439,152.00 : x
  2. Step 2: Convert to fraction form
    20,790,380.93/31,183,188.80 = 5,439,152.00/x
  3. Step 3: Cross multiply
    20,790,380.93x = 31,183,188.80 × 5,439,152.00
  4. Step 4: Simplify right side
    20,790,380.93x = 169,610,103,778,659.84
  5. Step 5: Solve for x
    x = 169,610,103,778,659.84/20,790,380.93
  6. Step 6: Final answer
    x = 8,158,104.67

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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.