Home / 13,658,846.58-20,498,372.01-6,470,396.28

Finding the Fourth Proportional to 13,658,846.58, 20,498,372.01 and 6,470,396.28

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Solution

The fourth proportional to 13,658,846.58, 20,498,372.01 and 6,470,396.28 is: 9,710,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,846.58 : 20,498,372.01 = 6,470,396.28 : x
  2. Step 2: Convert to fraction form
    13,658,846.58/20,498,372.01 = 6,470,396.28/x
  3. Step 3: Cross multiply
    13,658,846.58x = 20,498,372.01 × 6,470,396.28
  4. Step 4: Simplify right side
    13,658,846.58x = 132,632,589,999,560.14
  5. Step 5: Solve for x
    x = 132,632,589,999,560.14/13,658,846.58
  6. Step 6: Final answer
    x = 9,710,379.95

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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.