Finding the Fourth Proportional to 23,778,989.43, 32,814,449.73 and 13,990,063.99
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Solution
The fourth proportional to 23,778,989.43, 32,814,449.73 and 13,990,063.99 is: 19,305,961.38
Step by Step Solution
- Step 1: Write the proportion equation
23,778,989.43 : 32,814,449.73 = 13,990,063.99 : x - Step 2: Convert to fraction form
23,778,989.43/32,814,449.73 = 13,990,063.99/x - Step 3: Cross multiply
23,778,989.43x = 32,814,449.73 × 13,990,063.99 - Step 4: Simplify right side
23,778,989.43x = 459,076,251,519,338.25 - Step 5: Solve for x
x = 459,076,251,519,338.25/23,778,989.43 - Step 6: Final answer
x = 19,305,961.38
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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.