Finding the Fourth Proportional to 15,451,410.80, 23,187,613.80 and 8,627,970.80
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Solution
The fourth proportional to 15,451,410.80, 23,187,613.80 and 8,627,970.80 is: 12,947,817.99
Step by Step Solution
- Step 1: Write the proportion equation
15,451,410.80 : 23,187,613.80 = 8,627,970.80 : x - Step 2: Convert to fraction form
15,451,410.80/23,187,613.80 = 8,627,970.80/x - Step 3: Cross multiply
15,451,410.80x = 23,187,613.80 × 8,627,970.80 - Step 4: Simplify right side
15,451,410.80x = 200,062,054,788,077.06 - Step 5: Solve for x
x = 200,062,054,788,077.06/15,451,410.80 - Step 6: Final answer
x = 12,947,817.99
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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.