Finding the Fourth Proportional to 19,514,965.64, 26,930,626.17 and 10,813,701.74
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Solution
The fourth proportional to 19,514,965.64, 26,930,626.17 and 10,813,701.74 is: 14,922,893.77
Step by Step Solution
- Step 1: Write the proportion equation
19,514,965.64 : 26,930,626.17 = 10,813,701.74 : x - Step 2: Convert to fraction form
19,514,965.64/26,930,626.17 = 10,813,701.74/x - Step 3: Cross multiply
19,514,965.64x = 26,930,626.17 × 10,813,701.74 - Step 4: Simplify right side
19,514,965.64x = 291,219,759,073,818.56 - Step 5: Solve for x
x = 291,219,759,073,818.56/19,514,965.64 - Step 6: Final answer
x = 14,922,893.77
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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.