Finding the Fourth Proportional to 7,869,241.18, 11,804,282.97 and 2,478,311.47
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Solution
The fourth proportional to 7,869,241.18, 11,804,282.97 and 2,478,311.47 is: 3,717,599.86
Step by Step Solution
- Step 1: Write the proportion equation
7,869,241.18 : 11,804,282.97 = 2,478,311.47 : x - Step 2: Convert to fraction form
7,869,241.18/11,804,282.97 = 2,478,311.47/x - Step 3: Cross multiply
7,869,241.18x = 11,804,282.97 × 2,478,311.47 - Step 4: Simplify right side
7,869,241.18x = 29,254,689,879,676.67 - Step 5: Solve for x
x = 29,254,689,879,676.67/7,869,241.18 - Step 6: Final answer
x = 3,717,599.86
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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.