Finding the Fourth Proportional to 19,832,643.96, 27,371,719.35 and 11,131,292.58
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Solution
The fourth proportional to 19,832,643.96, 27,371,719.35 and 11,131,292.58 is: 15,362,682.71
Step by Step Solution
- Step 1: Write the proportion equation
19,832,643.96 : 27,371,719.35 = 11,131,292.58 : x - Step 2: Convert to fraction form
19,832,643.96/27,371,719.35 = 11,131,292.58/x - Step 3: Cross multiply
19,832,643.96x = 27,371,719.35 × 11,131,292.58 - Step 4: Simplify right side
19,832,643.96x = 304,682,616,502,497.44 - Step 5: Solve for x
x = 304,682,616,502,497.44/19,832,643.96 - Step 6: Final answer
x = 15,362,682.71
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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.