Home / 15,106,880,951.14-20,847,560,525.73-8,240,427,216.46

Finding the Fourth Proportional to 15,106,880,951.14, 20,847,560,525.73 and 8,240,427,216.46

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Solution

The fourth proportional to 15,106,880,951.14, 20,847,560,525.73 and 8,240,427,216.46 is: 11,371,824,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,880,951.14 : 20,847,560,525.73 = 8,240,427,216.46 : x
  2. Step 2: Convert to fraction form
    15,106,880,951.14/20,847,560,525.73 = 8,240,427,216.46/x
  3. Step 3: Cross multiply
    15,106,880,951.14x = 20,847,560,525.73 × 8,240,427,216.46
  4. Step 4: Simplify right side
    15,106,880,951.14x = 171,792,805,153,022,640,128
  5. Step 5: Solve for x
    x = 171,792,805,153,022,640,128/15,106,880,951.14
  6. Step 6: Final answer
    x = 11,371,824,912.68

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1.5x scale

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.