Home / 20,276,847.35-30,417,140.93-6,630,063.72

Finding the Fourth Proportional to 20,276,847.35, 30,417,140.93 and 6,630,063.72

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Solution

The fourth proportional to 20,276,847.35, 30,417,140.93 and 6,630,063.72 is: 9,945,706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276,847.35 : 30,417,140.93 = 6,630,063.72 : x
  2. Step 2: Convert to fraction form
    20,276,847.35/30,417,140.93 = 6,630,063.72/x
  3. Step 3: Cross multiply
    20,276,847.35x = 30,417,140.93 × 6,630,063.72
  4. Step 4: Simplify right side
    20,276,847.35x = 201,667,582,512,969.75
  5. Step 5: Solve for x
    x = 201,667,582,512,969.75/20,276,847.35
  6. Step 6: Final answer
    x = 9,945,706.99

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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.