Home / 18,318,942.50-25,278,990.85-10,058,946.96

Finding the Fourth Proportional to 18,318,942.50, 25,278,990.85 and 10,058,946.96

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Solution

The fourth proportional to 18,318,942.50, 25,278,990.85 and 10,058,946.96 is: 13,880,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,942.50 : 25,278,990.85 = 10,058,946.96 : x
  2. Step 2: Convert to fraction form
    18,318,942.50/25,278,990.85 = 10,058,946.96/x
  3. Step 3: Cross multiply
    18,318,942.50x = 25,278,990.85 × 10,058,946.96
  4. Step 4: Simplify right side
    18,318,942.50x = 254,280,028,162,475.34
  5. Step 5: Solve for x
    x = 254,280,028,162,475.34/18,318,942.50
  6. Step 6: Final answer
    x = 13,880,715.45

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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.