Home / 15,942,946.44-21,993,688.62-9,412,200.84

Finding the Fourth Proportional to 15,942,946.44, 21,993,688.62 and 9,412,200.84

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Solution

The fourth proportional to 15,942,946.44, 21,993,688.62 and 9,412,200.84 is: 12,984,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942,946.44 : 21,993,688.62 = 9,412,200.84 : x
  2. Step 2: Convert to fraction form
    15,942,946.44/21,993,688.62 = 9,412,200.84/x
  3. Step 3: Cross multiply
    15,942,946.44x = 21,993,688.62 × 9,412,200.84
  4. Step 4: Simplify right side
    15,942,946.44x = 207,009,014,503,862.44
  5. Step 5: Solve for x
    x = 207,009,014,503,862.44/15,942,946.44
  6. Step 6: Final answer
    x = 12,984,363.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.