Finding the Fourth Proportional to 40,438,893.70, 60,658,340.55 and 36,407,815.30
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Solution
The fourth proportional to 40,438,893.70, 60,658,340.55 and 36,407,815.30 is: 54,611,722.95
Step by Step Solution
- Step 1: Write the proportion equation
40,438,893.70 : 60,658,340.55 = 36,407,815.30 : x - Step 2: Convert to fraction form
40,438,893.70/60,658,340.55 = 36,407,815.30/x - Step 3: Cross multiply
40,438,893.70x = 60,658,340.55 × 36,407,815.30 - Step 4: Simplify right side
40,438,893.70x = 2,208,437,659,148,900.25 - Step 5: Solve for x
x = 2,208,437,659,148,900.25/40,438,893.70 - Step 6: Final answer
x = 54,611,722.95
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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.