Finding the Fourth Proportional to 23,411,470.17, 32,305,639.98 and 13,990,391.62
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Solution
The fourth proportional to 23,411,470.17, 32,305,639.98 and 13,990,391.62 is: 19,305,432.40
Step by Step Solution
- Step 1: Write the proportion equation
23,411,470.17 : 32,305,639.98 = 13,990,391.62 : x - Step 2: Convert to fraction form
23,411,470.17/32,305,639.98 = 13,990,391.62/x - Step 3: Cross multiply
23,411,470.17x = 32,305,639.98 × 13,990,391.62 - Step 4: Simplify right side
23,411,470.17x = 451,968,554,774,164.88 - Step 5: Solve for x
x = 451,968,554,774,164.88/23,411,470.17 - Step 6: Final answer
x = 19,305,432.40
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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.