Finding the Fourth Proportional to 8,293,423.55, 11,445,498.86 and 5,030,375.81
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Solution
The fourth proportional to 8,293,423.55, 11,445,498.86 and 5,030,375.81 is: 6,942,266.99
Step by Step Solution
- Step 1: Write the proportion equation
8,293,423.55 : 11,445,498.86 = 5,030,375.81 : x - Step 2: Convert to fraction form
8,293,423.55/11,445,498.86 = 5,030,375.81/x - Step 3: Cross multiply
8,293,423.55x = 11,445,498.86 × 5,030,375.81 - Step 4: Simplify right side
8,293,423.55x = 57,575,160,516,347.20 - Step 5: Solve for x
x = 57,575,160,516,347.20/8,293,423.55 - Step 6: Final answer
x = 6,942,266.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.