Finding the Fourth Proportional to 29,129,961.60, 43,742,181.60 and 19,587,643.20
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Solution
The fourth proportional to 29,129,961.60, 43,742,181.60 and 19,587,643.20 is: 29,413,229.50
Step by Step Solution
- Step 1: Write the proportion equation
29,129,961.60 : 43,742,181.60 = 19,587,643.20 : x - Step 2: Convert to fraction form
29,129,961.60/43,742,181.60 = 19,587,643.20/x - Step 3: Cross multiply
29,129,961.60x = 43,742,181.60 × 19,587,643.20 - Step 4: Simplify right side
29,129,961.60x = 856,806,245,970,405.12 - Step 5: Solve for x
x = 856,806,245,970,405.12/29,129,961.60 - Step 6: Final answer
x = 29,413,229.50
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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.