Home / 20,268,447.40-30,407,855.10-14,296,479.40

Finding the Fourth Proportional to 20,268,447.40, 30,407,855.10 and 14,296,479.40

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Solution

The fourth proportional to 20,268,447.40, 30,407,855.10 and 14,296,479.40 is: 21,448,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,447.40 : 30,407,855.10 = 14,296,479.40 : x
  2. Step 2: Convert to fraction form
    20,268,447.40/30,407,855.10 = 14,296,479.40/x
  3. Step 3: Cross multiply
    20,268,447.40x = 30,407,855.10 × 14,296,479.40
  4. Step 4: Simplify right side
    20,268,447.40x = 434,725,274,035,335
  5. Step 5: Solve for x
    x = 434,725,274,035,335/20,268,447.40
  6. Step 6: Final answer
    x = 21,448,375.67

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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.