Finding the Fourth Proportional to 12,815,976.58, 19,224,014.74 and 3,100,573.99
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Solution
The fourth proportional to 12,815,976.58, 19,224,014.74 and 3,100,573.99 is: 4,650,873.05
Step by Step Solution
- Step 1: Write the proportion equation
12,815,976.58 : 19,224,014.74 = 3,100,573.99 : x - Step 2: Convert to fraction form
12,815,976.58/19,224,014.74 = 3,100,573.99/x - Step 3: Cross multiply
12,815,976.58x = 19,224,014.74 × 3,100,573.99 - Step 4: Simplify right side
12,815,976.58x = 59,605,480,038,160.57 - Step 5: Solve for x
x = 59,605,480,038,160.57/12,815,976.58 - Step 6: Final answer
x = 4,650,873.05
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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.