Finding the Fourth Proportional to 39,590,157.69, 59,394,531.24 and 12,295,041.75
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Solution
The fourth proportional to 39,590,157.69, 59,394,531.24 and 12,295,041.75 is: 18,445,449.17
Step by Step Solution
- Step 1: Write the proportion equation
39,590,157.69 : 59,394,531.24 = 12,295,041.75 : x - Step 2: Convert to fraction form
39,590,157.69/59,394,531.24 = 12,295,041.75/x - Step 3: Cross multiply
39,590,157.69x = 59,394,531.24 × 12,295,041.75 - Step 4: Simplify right side
39,590,157.69x = 730,258,241,317,479.25 - Step 5: Solve for x
x = 730,258,241,317,479.25/39,590,157.69 - Step 6: Final answer
x = 18,445,449.17
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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.