Home / 15,124,269,400.61-20,873,321,969.38-8,607,945,082.50

Finding the Fourth Proportional to 15,124,269,400.61, 20,873,321,969.38 and 8,607,945,082.50

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Solution

The fourth proportional to 15,124,269,400.61, 20,873,321,969.38 and 8,607,945,082.50 is: 11,880,005,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,400.61 : 20,873,321,969.38 = 8,607,945,082.50 : x
  2. Step 2: Convert to fraction form
    15,124,269,400.61/20,873,321,969.38 = 8,607,945,082.50/x
  3. Step 3: Cross multiply
    15,124,269,400.61x = 20,873,321,969.38 × 8,607,945,082.50
  4. Step 4: Simplify right side
    15,124,269,400.61x = 179,676,409,201,616,388,096
  5. Step 5: Solve for x
    x = 179,676,409,201,616,388,096/15,124,269,400.61
  6. Step 6: Final answer
    x = 11,880,005,866.23

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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.