Home / 13,879,064.64-20,825,712.72-6,696,723.36

Finding the Fourth Proportional to 13,879,064.64, 20,825,712.72 and 6,696,723.36

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Solution

The fourth proportional to 13,879,064.64, 20,825,712.72 and 6,696,723.36 is: 10,048,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,064.64 : 20,825,712.72 = 6,696,723.36 : x
  2. Step 2: Convert to fraction form
    13,879,064.64/20,825,712.72 = 6,696,723.36/x
  3. Step 3: Cross multiply
    13,879,064.64x = 20,825,712.72 × 6,696,723.36
  4. Step 4: Simplify right side
    13,879,064.64x = 139,464,036,860,673.14
  5. Step 5: Solve for x
    x = 139,464,036,860,673.14/13,879,064.64
  6. Step 6: Final answer
    x = 10,048,518.43

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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.