Finding the Fourth Proportional to 29,376,138.60, 44,064,207.90 and 28,778,941.80
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Solution
The fourth proportional to 29,376,138.60, 44,064,207.90 and 28,778,941.80 is: 43,168,412.70
Step by Step Solution
- Step 1: Write the proportion equation
29,376,138.60 : 44,064,207.90 = 28,778,941.80 : x - Step 2: Convert to fraction form
29,376,138.60/44,064,207.90 = 28,778,941.80/x - Step 3: Cross multiply
29,376,138.60x = 44,064,207.90 × 28,778,941.80 - Step 4: Simplify right side
29,376,138.60x = 1,268,121,274,617,200.25 - Step 5: Solve for x
x = 1,268,121,274,617,200.25/29,376,138.60 - Step 6: Final answer
x = 43,168,412.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.