Finding the Fourth Proportional to 28,446,068.22, 39,255,677.49 and 15,393,325.62
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Solution
The fourth proportional to 28,446,068.22, 39,255,677.49 and 15,393,325.62 is: 21,242,845.28
Step by Step Solution
- Step 1: Write the proportion equation
28,446,068.22 : 39,255,677.49 = 15,393,325.62 : x - Step 2: Convert to fraction form
28,446,068.22/39,255,677.49 = 15,393,325.62/x - Step 3: Cross multiply
28,446,068.22x = 39,255,677.49 × 15,393,325.62 - Step 4: Simplify right side
28,446,068.22x = 604,275,426,037,274.25 - Step 5: Solve for x
x = 604,275,426,037,274.25/28,446,068.22 - Step 6: Final answer
x = 21,242,845.28
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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.