Finding the Fourth Proportional to 19,514,965.89, 26,930,626.52 and 10,813,701.99
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Solution
The fourth proportional to 19,514,965.89, 26,930,626.52 and 10,813,701.99 is: 14,922,894.11
Step by Step Solution
- Step 1: Write the proportion equation
19,514,965.89 : 26,930,626.52 = 10,813,701.99 : x - Step 2: Convert to fraction form
19,514,965.89/26,930,626.52 = 10,813,701.99/x - Step 3: Cross multiply
19,514,965.89x = 26,930,626.52 × 10,813,701.99 - Step 4: Simplify right side
19,514,965.89x = 291,219,769,537,202.25 - Step 5: Solve for x
x = 291,219,769,537,202.25/19,514,965.89 - Step 6: Final answer
x = 14,922,894.11
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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.