Finding the Fourth Proportional to 16,513,412.80, 24,770,119.20 and 5,727,128.80
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Solution
The fourth proportional to 16,513,412.80, 24,770,119.20 and 5,727,128.80 is: 8,590,693.20
Step by Step Solution
- Step 1: Write the proportion equation
16,513,412.80 : 24,770,119.20 = 5,727,128.80 : x - Step 2: Convert to fraction form
16,513,412.80/24,770,119.20 = 5,727,128.80/x - Step 3: Cross multiply
16,513,412.80x = 24,770,119.20 × 5,727,128.80 - Step 4: Simplify right side
16,513,412.80x = 141,861,663,049,752.94 - Step 5: Solve for x
x = 141,861,663,049,752.94/16,513,412.80 - Step 6: Final answer
x = 8,590,693.20
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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.