Finding the Fourth Proportional to 10,646,529.80, 15,976,355.70 and 4,256,115.80
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Solution
The fourth proportional to 10,646,529.80, 15,976,355.70 and 4,256,115.80 is: 6,386,796.56
Step by Step Solution
- Step 1: Write the proportion equation
10,646,529.80 : 15,976,355.70 = 4,256,115.80 : x - Step 2: Convert to fraction form
10,646,529.80/15,976,355.70 = 4,256,115.80/x - Step 3: Cross multiply
10,646,529.80x = 15,976,355.70 × 4,256,115.80 - Step 4: Simplify right side
10,646,529.80x = 67,997,219,921,190.05 - Step 5: Solve for x
x = 67,997,219,921,190.05/10,646,529.80 - Step 6: Final answer
x = 6,386,796.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.