Finding the Fourth Proportional to 18,194,484.70, 27,291,727.05 and 4,731,312.70
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Solution
The fourth proportional to 18,194,484.70, 27,291,727.05 and 4,731,312.70 is: 7,096,969.05
Step by Step Solution
- Step 1: Write the proportion equation
18,194,484.70 : 27,291,727.05 = 4,731,312.70 : x - Step 2: Convert to fraction form
18,194,484.70/27,291,727.05 = 4,731,312.70/x - Step 3: Cross multiply
18,194,484.70x = 27,291,727.05 × 4,731,312.70 - Step 4: Simplify right side
18,194,484.70x = 129,125,694,796,598.55 - Step 5: Solve for x
x = 129,125,694,796,598.55/18,194,484.70 - Step 6: Final answer
x = 7,096,969.05
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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.