Finding the Fourth Proportional to 8,737,511.70, 13,106,267.55 and 7,244,519.70
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Solution
The fourth proportional to 8,737,511.70, 13,106,267.55 and 7,244,519.70 is: 10,866,779.55
Step by Step Solution
- Step 1: Write the proportion equation
8,737,511.70 : 13,106,267.55 = 7,244,519.70 : x - Step 2: Convert to fraction form
8,737,511.70/13,106,267.55 = 7,244,519.70/x - Step 3: Cross multiply
8,737,511.70x = 13,106,267.55 × 7,244,519.70 - Step 4: Simplify right side
8,737,511.70x = 94,948,613,459,445.75 - Step 5: Solve for x
x = 94,948,613,459,445.75/8,737,511.70 - Step 6: Final answer
x = 10,866,779.55
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1.5x scale
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.