Finding the Fourth Proportional to 15,552,138.10, 23,328,207.15 and 14,670,339.70
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Solution
The fourth proportional to 15,552,138.10, 23,328,207.15 and 14,670,339.70 is: 22,005,509.55
Step by Step Solution
- Step 1: Write the proportion equation
15,552,138.10 : 23,328,207.15 = 14,670,339.70 : x - Step 2: Convert to fraction form
15,552,138.10/23,328,207.15 = 14,670,339.70/x - Step 3: Cross multiply
15,552,138.10x = 23,328,207.15 × 14,670,339.70 - Step 4: Simplify right side
15,552,138.10x = 342,232,723,482,468.81 - Step 5: Solve for x
x = 342,232,723,482,468.81/15,552,138.10 - Step 6: Final answer
x = 22,005,509.55
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Similar ratio
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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.