Home / 13,879,873.70-20,824,166.02-8,346,777.67

Finding the Fourth Proportional to 13,879,873.70, 20,824,166.02 and 8,346,777.67

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Solution

The fourth proportional to 13,879,873.70, 20,824,166.02 and 8,346,777.67 is: 12,522,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,873.70 : 20,824,166.02 = 8,346,777.67 : x
  2. Step 2: Convert to fraction form
    13,879,873.70/20,824,166.02 = 8,346,777.67/x
  3. Step 3: Cross multiply
    13,879,873.70x = 20,824,166.02 × 8,346,777.67
  4. Step 4: Simplify right side
    13,879,873.70x = 173,814,683,932,108.78
  5. Step 5: Solve for x
    x = 173,814,683,932,108.78/13,879,873.70
  6. Step 6: Final answer
    x = 12,522,785.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.