Home / 18,870,474.61-28,302,558.78-5,225,000.36

Finding the Fourth Proportional to 18,870,474.61, 28,302,558.78 and 5,225,000.36

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Solution

The fourth proportional to 18,870,474.61, 28,302,558.78 and 5,225,000.36 is: 7,836,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,474.61 : 28,302,558.78 = 5,225,000.36 : x
  2. Step 2: Convert to fraction form
    18,870,474.61/28,302,558.78 = 5,225,000.36/x
  3. Step 3: Cross multiply
    18,870,474.61x = 28,302,558.78 × 5,225,000.36
  4. Step 4: Simplify right side
    18,870,474.61x = 147,880,879,885,177.56
  5. Step 5: Solve for x
    x = 147,880,879,885,177.56/18,870,474.61
  6. Step 6: Final answer
    x = 7,836,627.48

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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.