Finding the Fourth Proportional to 27,218,121.30, 40,827,181.95 and 12,101,577.30
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Solution
The fourth proportional to 27,218,121.30, 40,827,181.95 and 12,101,577.30 is: 18,152,365.95
Step by Step Solution
- Step 1: Write the proportion equation
27,218,121.30 : 40,827,181.95 = 12,101,577.30 : x - Step 2: Convert to fraction form
27,218,121.30/40,827,181.95 = 12,101,577.30/x - Step 3: Cross multiply
27,218,121.30x = 40,827,181.95 × 12,101,577.30 - Step 4: Simplify right side
27,218,121.30x = 494,073,298,309,089.81 - Step 5: Solve for x
x = 494,073,298,309,089.81/27,218,121.30 - Step 6: Final answer
x = 18,152,365.95
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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.