Home / 20,309,017.56-30,464,510.64-6,660,956.56

Finding the Fourth Proportional to 20,309,017.56, 30,464,510.64 and 6,660,956.56

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Solution

The fourth proportional to 20,309,017.56, 30,464,510.64 and 6,660,956.56 is: 9,991,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309,017.56 : 30,464,510.64 = 6,660,956.56 : x
  2. Step 2: Convert to fraction form
    20,309,017.56/30,464,510.64 = 6,660,956.56/x
  3. Step 3: Cross multiply
    20,309,017.56x = 30,464,510.64 × 6,660,956.56
  4. Step 4: Simplify right side
    20,309,017.56x = 202,922,781,994,697.78
  5. Step 5: Solve for x
    x = 202,922,781,994,697.78/20,309,017.56
  6. Step 6: Final answer
    x = 9,991,757.67

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1.5x scale

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.