Finding the Fourth Proportional to 19,460,387.57, 26,855,383.11 and 10,640,407.96
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Solution
The fourth proportional to 19,460,387.57, 26,855,383.11 and 10,640,407.96 is: 14,683,789.38
Step by Step Solution
- Step 1: Write the proportion equation
19,460,387.57 : 26,855,383.11 = 10,640,407.96 : x - Step 2: Convert to fraction form
19,460,387.57/26,855,383.11 = 10,640,407.96/x - Step 3: Cross multiply
19,460,387.57x = 26,855,383.11 × 10,640,407.96 - Step 4: Simplify right side
19,460,387.57x = 285,752,232,206,161.25 - Step 5: Solve for x
x = 285,752,232,206,161.25/19,460,387.57 - Step 6: Final answer
x = 14,683,789.38
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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.