Finding the Fourth Proportional to 17,730,136.80, 24,471,392.76 and 11,199,612.24
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Solution
The fourth proportional to 17,730,136.80, 24,471,392.76 and 11,199,612.24 is: 15,457,867.75
Step by Step Solution
- Step 1: Write the proportion equation
17,730,136.80 : 24,471,392.76 = 11,199,612.24 : x - Step 2: Convert to fraction form
17,730,136.80/24,471,392.76 = 11,199,612.24/x - Step 3: Cross multiply
17,730,136.80x = 24,471,392.76 × 11,199,612.24 - Step 4: Simplify right side
17,730,136.80x = 274,070,109,884,743.41 - Step 5: Solve for x
x = 274,070,109,884,743.41/17,730,136.80 - Step 6: Final answer
x = 15,457,867.75
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Double scale
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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.