Finding the Fourth Proportional to 16,445,904.80, 24,668,857.20 and 4,478,640.80
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Solution
The fourth proportional to 16,445,904.80, 24,668,857.20 and 4,478,640.80 is: 6,717,961.20
Step by Step Solution
- Step 1: Write the proportion equation
16,445,904.80 : 24,668,857.20 = 4,478,640.80 : x - Step 2: Convert to fraction form
16,445,904.80/24,668,857.20 = 4,478,640.80/x - Step 3: Cross multiply
16,445,904.80x = 24,668,857.20 × 4,478,640.80 - Step 4: Simplify right side
16,445,904.80x = 110,482,950,345,293.75 - Step 5: Solve for x
x = 110,482,950,345,293.75/16,445,904.80 - Step 6: Final answer
x = 6,717,961.20
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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.