Finding the Fourth Proportional to 11,391,486.62, 15,720,251.54 and 6,234,848.17
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Solution
The fourth proportional to 11,391,486.62, 15,720,251.54 and 6,234,848.17 is: 8,604,090.47
Step by Step Solution
- Step 1: Write the proportion equation
11,391,486.62 : 15,720,251.54 = 6,234,848.17 : x - Step 2: Convert to fraction form
11,391,486.62/15,720,251.54 = 6,234,848.17/x - Step 3: Cross multiply
11,391,486.62x = 15,720,251.54 × 6,234,848.17 - Step 4: Simplify right side
11,391,486.62x = 98,013,381,436,333.19 - Step 5: Solve for x
x = 98,013,381,436,333.19/11,391,486.62 - Step 6: Final answer
x = 8,604,090.47
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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.