Finding the Fourth Proportional to 18,184,415.80, 27,280,560.30 and 5,406,212.20
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Solution
The fourth proportional to 18,184,415.80, 27,280,560.30 and 5,406,212.20 is: 8,110,488.65
Step by Step Solution
- Step 1: Write the proportion equation
18,184,415.80 : 27,280,560.30 = 5,406,212.20 : x - Step 2: Convert to fraction form
18,184,415.80/27,280,560.30 = 5,406,212.20/x - Step 3: Cross multiply
18,184,415.80x = 27,280,560.30 × 5,406,212.20 - Step 4: Simplify right side
18,184,415.80x = 147,484,497,916,695.66 - Step 5: Solve for x
x = 147,484,497,916,695.66/18,184,415.80 - Step 6: Final answer
x = 8,110,488.65
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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.