Finding the Fourth Proportional to 18,613,424.94, 27,920,487.33 and 5,833,646.70
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Solution
The fourth proportional to 18,613,424.94, 27,920,487.33 and 5,833,646.70 is: 8,750,579.72
Step by Step Solution
- Step 1: Write the proportion equation
18,613,424.94 : 27,920,487.33 = 5,833,646.70 : x - Step 2: Convert to fraction form
18,613,424.94/27,920,487.33 = 5,833,646.70/x - Step 3: Cross multiply
18,613,424.94x = 27,920,487.33 × 5,833,646.70 - Step 4: Simplify right side
18,613,424.94x = 162,878,258,775,046.31 - Step 5: Solve for x
x = 162,878,258,775,046.31/18,613,424.94 - Step 6: Final answer
x = 8,750,579.72
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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.