Finding the Fourth Proportional to 30,658,769.68, 45,971,049.76 and 10,177,366.44
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Solution
The fourth proportional to 30,658,769.68, 45,971,049.76 and 10,177,366.44 is: 15,260,371.63
Step by Step Solution
- Step 1: Write the proportion equation
30,658,769.68 : 45,971,049.76 = 10,177,366.44 : x - Step 2: Convert to fraction form
30,658,769.68/45,971,049.76 = 10,177,366.44/x - Step 3: Cross multiply
30,658,769.68x = 45,971,049.76 × 10,177,366.44 - Step 4: Simplify right side
30,658,769.68x = 467,864,219,038,994 - Step 5: Solve for x
x = 467,864,219,038,994/30,658,769.68 - Step 6: Final answer
x = 15,260,371.63
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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.