Finding the Fourth Proportional to 32,574,732.60, 48,879,813.60 and 13,407,427.20
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Solution
The fourth proportional to 32,574,732.60, 48,879,813.60 and 13,407,427.20 is: 20,118,431.99
Step by Step Solution
- Step 1: Write the proportion equation
32,574,732.60 : 48,879,813.60 = 13,407,427.20 : x - Step 2: Convert to fraction form
32,574,732.60/48,879,813.60 = 13,407,427.20/x - Step 3: Cross multiply
32,574,732.60x = 48,879,813.60 × 13,407,427.20 - Step 4: Simplify right side
32,574,732.60x = 655,352,542,391,569.88 - Step 5: Solve for x
x = 655,352,542,391,569.88/32,574,732.60 - Step 6: Final answer
x = 20,118,431.99
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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.