Finding the Fourth Proportional to 23,878,755.60, 32,952,793.68 and 13,566,044.64
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Solution
The fourth proportional to 23,878,755.60, 32,952,793.68 and 13,566,044.64 is: 18,721,204.64
Step by Step Solution
- Step 1: Write the proportion equation
23,878,755.60 : 32,952,793.68 = 13,566,044.64 : x - Step 2: Convert to fraction form
23,878,755.60/32,952,793.68 = 13,566,044.64/x - Step 3: Cross multiply
23,878,755.60x = 32,952,793.68 × 13,566,044.64 - Step 4: Simplify right side
23,878,755.60x = 447,039,070,075,589.88 - Step 5: Solve for x
x = 447,039,070,075,589.88/23,878,755.60 - Step 6: Final answer
x = 18,721,204.64
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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.