Finding the Fourth Proportional to 7,136,103.17, 9,847,895.97 and 3,872,946.08
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Solution
The fourth proportional to 7,136,103.17, 9,847,895.97 and 3,872,946.08 is: 5,344,705.53
Step by Step Solution
- Step 1: Write the proportion equation
7,136,103.17 : 9,847,895.97 = 3,872,946.08 : x - Step 2: Convert to fraction form
7,136,103.17/9,847,895.97 = 3,872,946.08/x - Step 3: Cross multiply
7,136,103.17x = 9,847,895.97 × 3,872,946.08 - Step 4: Simplify right side
7,136,103.17x = 38,140,370,093,259.30 - Step 5: Solve for x
x = 38,140,370,093,259.30/7,136,103.17 - Step 6: Final answer
x = 5,344,705.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.