Home / 18,995,868.42-28,493,403.03-4,619,009.94

Finding the Fourth Proportional to 18,995,868.42, 28,493,403.03 and 4,619,009.94

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Solution

The fourth proportional to 18,995,868.42, 28,493,403.03 and 4,619,009.94 is: 6,928,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995,868.42 : 28,493,403.03 = 4,619,009.94 : x
  2. Step 2: Convert to fraction form
    18,995,868.42/28,493,403.03 = 4,619,009.94/x
  3. Step 3: Cross multiply
    18,995,868.42x = 28,493,403.03 × 4,619,009.94
  4. Step 4: Simplify right side
    18,995,868.42x = 131,611,311,819,996.14
  5. Step 5: Solve for x
    x = 131,611,311,819,996.14/18,995,868.42
  6. Step 6: Final answer
    x = 6,928,417.74

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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.