Finding the Fourth Proportional to 8,902,271.80, 13,353,407.70 and 3,220,445.80
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Solution
The fourth proportional to 8,902,271.80, 13,353,407.70 and 3,220,445.80 is: 4,830,668.70
Step by Step Solution
- Step 1: Write the proportion equation
8,902,271.80 : 13,353,407.70 = 3,220,445.80 : x - Step 2: Convert to fraction form
8,902,271.80/13,353,407.70 = 3,220,445.80/x - Step 3: Cross multiply
8,902,271.80x = 13,353,407.70 × 3,220,445.80 - Step 4: Simplify right side
8,902,271.80x = 43,003,925,743,152.66 - Step 5: Solve for x
x = 43,003,925,743,152.66/8,902,271.80 - Step 6: Final answer
x = 4,830,668.70
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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.