Finding the Fourth Proportional to 8,197,135.65, 12,242,558.09 and 7,427,094.84
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Solution
The fourth proportional to 8,197,135.65, 12,242,558.09 and 7,427,094.84 is: 11,092,489.37
Step by Step Solution
- Step 1: Write the proportion equation
8,197,135.65 : 12,242,558.09 = 7,427,094.84 : x - Step 2: Convert to fraction form
8,197,135.65/12,242,558.09 = 7,427,094.84/x - Step 3: Cross multiply
8,197,135.65x = 12,242,558.09 × 7,427,094.84 - Step 4: Simplify right side
8,197,135.65x = 90,926,640,018,639.25 - Step 5: Solve for x
x = 90,926,640,018,639.25/8,197,135.65 - Step 6: Final answer
x = 11,092,489.37
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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.