Home / 28,734,905.70-43,102,358.55-11,686,803.30

Finding the Fourth Proportional to 28,734,905.70, 43,102,358.55 and 11,686,803.30

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Solution

The fourth proportional to 28,734,905.70, 43,102,358.55 and 11,686,803.30 is: 17,530,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734,905.70 : 43,102,358.55 = 11,686,803.30 : x
  2. Step 2: Convert to fraction form
    28,734,905.70/43,102,358.55 = 11,686,803.30/x
  3. Step 3: Cross multiply
    28,734,905.70x = 43,102,358.55 × 11,686,803.30
  4. Step 4: Simplify right side
    28,734,905.70x = 503,728,786,139,923.19
  5. Step 5: Solve for x
    x = 503,728,786,139,923.19/28,734,905.70
  6. Step 6: Final answer
    x = 17,530,204.95

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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.