Finding the Fourth Proportional to 10,478,106.64, 15,719,775.18 and 3,654,778.08
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Solution
The fourth proportional to 10,478,106.64, 15,719,775.18 and 3,654,778.08 is: 5,483,079.31
Step by Step Solution
- Step 1: Write the proportion equation
10,478,106.64 : 15,719,775.18 = 3,654,778.08 : x - Step 2: Convert to fraction form
10,478,106.64/15,719,775.18 = 3,654,778.08/x - Step 3: Cross multiply
10,478,106.64x = 15,719,775.18 × 3,654,778.08 - Step 4: Simplify right side
10,478,106.64x = 57,452,289,750,392.05 - Step 5: Solve for x
x = 57,452,289,750,392.05/10,478,106.64 - Step 6: Final answer
x = 5,483,079.31
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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.