Finding the Fourth Proportional to 18,215,537.94, 27,319,282.53 and 5,258,874.24
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Solution
The fourth proportional to 18,215,537.94, 27,319,282.53 and 5,258,874.24 is: 7,887,149.51
Step by Step Solution
- Step 1: Write the proportion equation
18,215,537.94 : 27,319,282.53 = 5,258,874.24 : x - Step 2: Convert to fraction form
18,215,537.94/27,319,282.53 = 5,258,874.24/x - Step 3: Cross multiply
18,215,537.94x = 27,319,282.53 × 5,258,874.24 - Step 4: Simplify right side
18,215,537.94x = 143,668,671,152,299.03 - Step 5: Solve for x
x = 143,668,671,152,299.03/18,215,537.94 - Step 6: Final answer
x = 7,887,149.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.