Finding the Fourth Proportional to 8,197,136.24, 12,242,558.98 and 7,427,095.44
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Solution
The fourth proportional to 8,197,136.24, 12,242,558.98 and 7,427,095.44 is: 11,092,490.26
Step by Step Solution
- Step 1: Write the proportion equation
8,197,136.24 : 12,242,558.98 = 7,427,095.44 : x - Step 2: Convert to fraction form
8,197,136.24/12,242,558.98 = 7,427,095.44/x - Step 3: Cross multiply
8,197,136.24x = 12,242,558.98 × 7,427,095.44 - Step 4: Simplify right side
8,197,136.24x = 90,926,653,913,076.25 - Step 5: Solve for x
x = 90,926,653,913,076.25/8,197,136.24 - Step 6: Final answer
x = 11,092,490.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.