Finding the Fourth Proportional to 8,880,346.98, 13,319,396.91 and 2,815,137.18
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Solution
The fourth proportional to 8,880,346.98, 13,319,396.91 and 2,815,137.18 is: 4,222,349.59
Step by Step Solution
- Step 1: Write the proportion equation
8,880,346.98 : 13,319,396.91 = 2,815,137.18 : x - Step 2: Convert to fraction form
8,880,346.98/13,319,396.91 = 2,815,137.18/x - Step 3: Cross multiply
8,880,346.98x = 13,319,396.91 × 2,815,137.18 - Step 4: Simplify right side
8,880,346.98x = 37,495,929,456,518.12 - Step 5: Solve for x
x = 37,495,929,456,518.12/8,880,346.98 - Step 6: Final answer
x = 4,222,349.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.