Finding the Fourth Proportional to 48,587,792.40, 72,909,682.20 and 18,317,379.60
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Solution
The fourth proportional to 48,587,792.40, 72,909,682.20 and 18,317,379.60 is: 27,486,622.86
Step by Step Solution
- Step 1: Write the proportion equation
48,587,792.40 : 72,909,682.20 = 18,317,379.60 : x - Step 2: Convert to fraction form
48,587,792.40/72,909,682.20 = 18,317,379.60/x - Step 3: Cross multiply
48,587,792.40x = 72,909,682.20 × 18,317,379.60 - Step 4: Simplify right side
48,587,792.40x = 1,335,514,325,372,763.25 - Step 5: Solve for x
x = 1,335,514,325,372,763.25/48,587,792.40 - Step 6: Final answer
x = 27,486,622.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.