Home / 13,825,367.60-20,738,051.40-12,649,636.40

Finding the Fourth Proportional to 13,825,367.60, 20,738,051.40 and 12,649,636.40

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Solution

The fourth proportional to 13,825,367.60, 20,738,051.40 and 12,649,636.40 is: 18,974,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,367.60 : 20,738,051.40 = 12,649,636.40 : x
  2. Step 2: Convert to fraction form
    13,825,367.60/20,738,051.40 = 12,649,636.40/x
  3. Step 3: Cross multiply
    13,825,367.60x = 20,738,051.40 × 12,649,636.40
  4. Step 4: Simplify right side
    13,825,367.60x = 262,328,809,854,510.94
  5. Step 5: Solve for x
    x = 262,328,809,854,510.94/13,825,367.60
  6. Step 6: Final answer
    x = 18,974,454.60

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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.