Home / 15,726,899.54-21,684,550.86-10,767,745.67

Finding the Fourth Proportional to 15,726,899.54, 21,684,550.86 and 10,767,745.67

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Solution

The fourth proportional to 15,726,899.54, 21,684,550.86 and 10,767,745.67 is: 14,846,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,899.54 : 21,684,550.86 = 10,767,745.67 : x
  2. Step 2: Convert to fraction form
    15,726,899.54/21,684,550.86 = 10,767,745.67/x
  3. Step 3: Cross multiply
    15,726,899.54x = 21,684,550.86 × 10,767,745.67
  4. Step 4: Simplify right side
    15,726,899.54x = 233,493,728,520,237
  5. Step 5: Solve for x
    x = 233,493,728,520,237/15,726,899.54
  6. Step 6: Final answer
    x = 14,846,774.34

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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.