Finding the Fourth Proportional to 19,957,902.84, 27,541,854.07 and 11,137,261.57
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Solution
The fourth proportional to 19,957,902.84, 27,541,854.07 and 11,137,261.57 is: 15,369,392.03
Step by Step Solution
- Step 1: Write the proportion equation
19,957,902.84 : 27,541,854.07 = 11,137,261.57 : x - Step 2: Convert to fraction form
19,957,902.84/27,541,854.07 = 11,137,261.57/x - Step 3: Cross multiply
19,957,902.84x = 27,541,854.07 × 11,137,261.57 - Step 4: Simplify right side
19,957,902.84x = 306,740,832,900,359.12 - Step 5: Solve for x
x = 306,740,832,900,359.12/19,957,902.84 - Step 6: Final answer
x = 15,369,392.03
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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.