Finding the Fourth Proportional to 18,184,434.30, 27,280,588.05 and 5,406,230.70
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Solution
The fourth proportional to 18,184,434.30, 27,280,588.05 and 5,406,230.70 is: 8,110,516.40
Step by Step Solution
- Step 1: Write the proportion equation
18,184,434.30 : 27,280,588.05 = 5,406,230.70 : x - Step 2: Convert to fraction form
18,184,434.30/27,280,588.05 = 5,406,230.70/x - Step 3: Cross multiply
18,184,434.30x = 27,280,588.05 × 5,406,230.70 - Step 4: Simplify right side
18,184,434.30x = 147,485,152,629,963.16 - Step 5: Solve for x
x = 147,485,152,629,963.16/18,184,434.30 - Step 6: Final answer
x = 8,110,516.40
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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.