Finding the Fourth Proportional to 18,587,167.44, 27,869,925.48 and 7,214,330.04
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Solution
The fourth proportional to 18,587,167.44, 27,869,925.48 and 7,214,330.04 is: 10,817,293.23
Step by Step Solution
- Step 1: Write the proportion equation
18,587,167.44 : 27,869,925.48 = 7,214,330.04 : x - Step 2: Convert to fraction form
18,587,167.44/27,869,925.48 = 7,214,330.04/x - Step 3: Cross multiply
18,587,167.44x = 27,869,925.48 × 7,214,330.04 - Step 4: Simplify right side
18,587,167.44x = 201,062,840,602,925.44 - Step 5: Solve for x
x = 201,062,840,602,925.44/18,587,167.44 - Step 6: Final answer
x = 10,817,293.23
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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.