Home / 15,162,013,323.41-20,922,949,803.47-8,295,376,262.49

Finding the Fourth Proportional to 15,162,013,323.41, 20,922,949,803.47 and 8,295,376,262.49

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Solution

The fourth proportional to 15,162,013,323.41, 20,922,949,803.47 and 8,295,376,262.49 is: 11,447,275,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162,013,323.41 : 20,922,949,803.47 = 8,295,376,262.49 : x
  2. Step 2: Convert to fraction form
    15,162,013,323.41/20,922,949,803.47 = 8,295,376,262.49/x
  3. Step 3: Cross multiply
    15,162,013,323.41x = 20,922,949,803.47 × 8,295,376,262.49
  4. Step 4: Simplify right side
    15,162,013,323.41x = 173,563,741,140,933,378,048
  5. Step 5: Solve for x
    x = 173,563,741,140,933,378,048/15,162,013,323.41
  6. Step 6: Final answer
    x = 11,447,275,334.67

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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.