Finding the Fourth Proportional to 18,476,502.84, 27,700,626.18 and 11,188,376.40
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Solution
The fourth proportional to 18,476,502.84, 27,700,626.18 and 11,188,376.40 is: 16,774,009.39
Step by Step Solution
- Step 1: Write the proportion equation
18,476,502.84 : 27,700,626.18 = 11,188,376.40 : x - Step 2: Convert to fraction form
18,476,502.84/27,700,626.18 = 11,188,376.40/x - Step 3: Cross multiply
18,476,502.84x = 27,700,626.18 × 11,188,376.40 - Step 4: Simplify right side
18,476,502.84x = 309,925,032,217,534.19 - Step 5: Solve for x
x = 309,925,032,217,534.19/18,476,502.84 - Step 6: Final answer
x = 16,774,009.39
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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.