Home / 15,106,880,887.14-20,847,560,437.41-8,240,427,152.41

Finding the Fourth Proportional to 15,106,880,887.14, 20,847,560,437.41 and 8,240,427,152.41

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Solution

The fourth proportional to 15,106,880,887.14, 20,847,560,437.41 and 8,240,427,152.41 is: 11,371,824,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,880,887.14 : 20,847,560,437.41 = 8,240,427,152.41 : x
  2. Step 2: Convert to fraction form
    15,106,880,887.14/20,847,560,437.41 = 8,240,427,152.41/x
  3. Step 3: Cross multiply
    15,106,880,887.14x = 20,847,560,437.41 × 8,240,427,152.41
  4. Step 4: Simplify right side
    15,106,880,887.14x = 171,792,803,089,796,399,104
  5. Step 5: Solve for x
    x = 171,792,803,089,796,399,104/15,106,880,887.14
  6. Step 6: Final answer
    x = 11,371,824,824.28

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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.