Finding the Fourth Proportional to 11,705,226.62, 16,153,840.30 and 6,548,280.62
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Solution
The fourth proportional to 11,705,226.62, 16,153,840.30 and 6,548,280.62 is: 9,036,978.34
Step by Step Solution
- Step 1: Write the proportion equation
11,705,226.62 : 16,153,840.30 = 6,548,280.62 : x - Step 2: Convert to fraction form
11,705,226.62/16,153,840.30 = 6,548,280.62/x - Step 3: Cross multiply
11,705,226.62x = 16,153,840.30 × 6,548,280.62 - Step 4: Simplify right side
11,705,226.62x = 105,779,879,375,065 - Step 5: Solve for x
x = 105,779,879,375,065/11,705,226.62 - Step 6: Final answer
x = 9,036,978.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.