Finding the Fourth Proportional to 18,659,402.08, 25,749,179.28 and 10,399,024.80
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Solution
The fourth proportional to 18,659,402.08, 25,749,179.28 and 10,399,024.80 is: 14,350,210.84
Step by Step Solution
- Step 1: Write the proportion equation
18,659,402.08 : 25,749,179.28 = 10,399,024.80 : x - Step 2: Convert to fraction form
18,659,402.08/25,749,179.28 = 10,399,024.80/x - Step 3: Cross multiply
18,659,402.08x = 25,749,179.28 × 10,399,024.80 - Step 4: Simplify right side
18,659,402.08x = 267,766,353,912,366.19 - Step 5: Solve for x
x = 267,766,353,912,366.19/18,659,402.08 - Step 6: Final answer
x = 14,350,210.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.