Finding the Fourth Proportional to 18,184,437.80, 27,280,593.30 and 5,406,234.20
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Solution
The fourth proportional to 18,184,437.80, 27,280,593.30 and 5,406,234.20 is: 8,110,521.65
Step by Step Solution
- Step 1: Write the proportion equation
18,184,437.80 : 27,280,593.30 = 5,406,234.20 : x - Step 2: Convert to fraction form
18,184,437.80/27,280,593.30 = 5,406,234.20/x - Step 3: Cross multiply
18,184,437.80x = 27,280,593.30 × 5,406,234.20 - Step 4: Simplify right side
18,184,437.80x = 147,485,276,494,750.88 - Step 5: Solve for x
x = 147,485,276,494,750.88/18,184,437.80 - Step 6: Final answer
x = 8,110,521.65
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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.