Finding the Fourth Proportional to 43,771,035.60, 65,656,553.40 and 13,488,181.20
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Solution
The fourth proportional to 43,771,035.60, 65,656,553.40 and 13,488,181.20 is: 20,232,271.80
Step by Step Solution
- Step 1: Write the proportion equation
43,771,035.60 : 65,656,553.40 = 13,488,181.20 : x - Step 2: Convert to fraction form
43,771,035.60/65,656,553.40 = 13,488,181.20/x - Step 3: Cross multiply
43,771,035.60x = 65,656,553.40 × 13,488,181.20 - Step 4: Simplify right side
43,771,035.60x = 885,587,489,226,676 - Step 5: Solve for x
x = 885,587,489,226,676/43,771,035.60 - Step 6: Final answer
x = 20,232,271.80
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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.