Finding the Fourth Proportional to 10,403,811.90, 15,608,439.45 and 4,014,272.70
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Solution
The fourth proportional to 10,403,811.90, 15,608,439.45 and 4,014,272.70 is: 6,022,459.17
Step by Step Solution
- Step 1: Write the proportion equation
10,403,811.90 : 15,608,439.45 = 4,014,272.70 : x - Step 2: Convert to fraction form
10,403,811.90/15,608,439.45 = 4,014,272.70/x - Step 3: Cross multiply
10,403,811.90x = 15,608,439.45 × 4,014,272.70 - Step 4: Simplify right side
10,403,811.90x = 62,656,532,373,738.02 - Step 5: Solve for x
x = 62,656,532,373,738.02/10,403,811.90 - Step 6: Final answer
x = 6,022,459.17
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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.