Finding the Fourth Proportional to 7,136,098.18, 9,847,889.08 and 3,872,941.09
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Solution
The fourth proportional to 7,136,098.18, 9,847,889.08 and 3,872,941.09 is: 5,344,698.64
Step by Step Solution
- Step 1: Write the proportion equation
7,136,098.18 : 9,847,889.08 = 3,872,941.09 : x - Step 2: Convert to fraction form
7,136,098.18/9,847,889.08 = 3,872,941.09/x - Step 3: Cross multiply
7,136,098.18x = 9,847,889.08 × 3,872,941.09 - Step 4: Simplify right side
7,136,098.18x = 38,140,294,233,392.23 - Step 5: Solve for x
x = 38,140,294,233,392.23/7,136,098.18 - Step 6: Final answer
x = 5,344,698.64
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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.