Finding the Fourth Proportional to 7,430,985, 11,137,152.06 and 4,019,135.40
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Solution
The fourth proportional to 7,430,985, 11,137,152.06 and 4,019,135.40 is: 6,023,659.33
Step by Step Solution
- Step 1: Write the proportion equation
7,430,985 : 11,137,152.06 = 4,019,135.40 : x - Step 2: Convert to fraction form
7,430,985/11,137,152.06 = 4,019,135.40/x - Step 3: Cross multiply
7,430,985x = 11,137,152.06 × 4,019,135.40 - Step 4: Simplify right side
7,430,985x = 44,761,722,099,528.92 - Step 5: Solve for x
x = 44,761,722,099,528.92/7,430,985 - Step 6: Final answer
x = 6,023,659.33
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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.