Finding the Fourth Proportional to 10,860,006.80, 14,987,068.12 and 5,965,331.40
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Solution
The fourth proportional to 10,860,006.80, 14,987,068.12 and 5,965,331.40 is: 8,232,299.45
Step by Step Solution
- Step 1: Write the proportion equation
10,860,006.80 : 14,987,068.12 = 5,965,331.40 : x - Step 2: Convert to fraction form
10,860,006.80/14,987,068.12 = 5,965,331.40/x - Step 3: Cross multiply
10,860,006.80x = 14,987,068.12 × 5,965,331.40 - Step 4: Simplify right side
10,860,006.80x = 89,402,828,050,174.97 - Step 5: Solve for x
x = 89,402,828,050,174.97/10,860,006.80 - Step 6: Final answer
x = 8,232,299.45
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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.