Finding the Fourth Proportional to 10,478,103.64, 15,719,770.68 and 3,654,775.08
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Solution
The fourth proportional to 10,478,103.64, 15,719,770.68 and 3,654,775.08 is: 5,483,074.81
Step by Step Solution
- Step 1: Write the proportion equation
10,478,103.64 : 15,719,770.68 = 3,654,775.08 : x - Step 2: Convert to fraction form
10,478,103.64/15,719,770.68 = 3,654,775.08/x - Step 3: Cross multiply
10,478,103.64x = 15,719,770.68 × 3,654,775.08 - Step 4: Simplify right side
10,478,103.64x = 57,452,226,130,873.25 - Step 5: Solve for x
x = 57,452,226,130,873.25/10,478,103.64 - Step 6: Final answer
x = 5,483,074.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.