Finding the Fourth Proportional to 18,081,502.64, 24,952,700.55 and 9,821,702.84
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Solution
The fourth proportional to 18,081,502.64, 24,952,700.55 and 9,821,702.84 is: 13,554,073.17
Step by Step Solution
- Step 1: Write the proportion equation
18,081,502.64 : 24,952,700.55 = 9,821,702.84 : x - Step 2: Convert to fraction form
18,081,502.64/24,952,700.55 = 9,821,702.84/x - Step 3: Cross multiply
18,081,502.64x = 24,952,700.55 × 9,821,702.84 - Step 4: Simplify right side
18,081,502.64x = 245,078,009,732,841.09 - Step 5: Solve for x
x = 245,078,009,732,841.09/18,081,502.64 - Step 6: Final answer
x = 13,554,073.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.