Finding the Fourth Proportional to 7,289,952.68, 10,058,115.66 and 4,192,307.72
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Solution
The fourth proportional to 7,289,952.68, 10,058,115.66 and 4,192,307.72 is: 5,784,223.54
Step by Step Solution
- Step 1: Write the proportion equation
7,289,952.68 : 10,058,115.66 = 4,192,307.72 : x - Step 2: Convert to fraction form
7,289,952.68/10,058,115.66 = 4,192,307.72/x - Step 3: Cross multiply
7,289,952.68x = 10,058,115.66 × 4,192,307.72 - Step 4: Simplify right side
7,289,952.68x = 42,166,715,930,070.90 - Step 5: Solve for x
x = 42,166,715,930,070.90/7,289,952.68 - Step 6: Final answer
x = 5,784,223.54
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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.