Finding the Fourth Proportional to 52,678,589.34, 79,045,129.62 and 38,224,675.38
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Solution
The fourth proportional to 52,678,589.34, 79,045,129.62 and 38,224,675.38 is: 57,356,783.05
Step by Step Solution
- Step 1: Write the proportion equation
52,678,589.34 : 79,045,129.62 = 38,224,675.38 : x - Step 2: Convert to fraction form
52,678,589.34/79,045,129.62 = 38,224,675.38/x - Step 3: Cross multiply
52,678,589.34x = 79,045,129.62 × 38,224,675.38 - Step 4: Simplify right side
52,678,589.34x = 3,021,474,420,094,523 - Step 5: Solve for x
x = 3,021,474,420,094,523/52,678,589.34 - Step 6: Final answer
x = 57,356,783.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.