Finding the Fourth Proportional to 8,425,525.23, 12,638,812.73 and 3,376,179.63
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Solution
The fourth proportional to 8,425,525.23, 12,638,812.73 and 3,376,179.63 is: 5,064,479.77
Step by Step Solution
- Step 1: Write the proportion equation
8,425,525.23 : 12,638,812.73 = 3,376,179.63 : x - Step 2: Convert to fraction form
8,425,525.23/12,638,812.73 = 3,376,179.63/x - Step 3: Cross multiply
8,425,525.23x = 12,638,812.73 × 3,376,179.63 - Step 4: Simplify right side
8,425,525.23x = 42,670,902,069,529.79 - Step 5: Solve for x
x = 42,670,902,069,529.79/8,425,525.23 - Step 6: Final answer
x = 5,064,479.77
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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.