Finding the Fourth Proportional to 10,522,466.28, 14,516,988.74 and 6,390,938.97
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Solution
The fourth proportional to 10,522,466.28, 14,516,988.74 and 6,390,938.97 is: 8,817,057.39
Step by Step Solution
- Step 1: Write the proportion equation
10,522,466.28 : 14,516,988.74 = 6,390,938.97 : x - Step 2: Convert to fraction form
10,522,466.28/14,516,988.74 = 6,390,938.97/x - Step 3: Cross multiply
10,522,466.28x = 14,516,988.74 × 6,390,938.97 - Step 4: Simplify right side
10,522,466.28x = 92,777,189,081,494.55 - Step 5: Solve for x
x = 92,777,189,081,494.55/10,522,466.28 - Step 6: Final answer
x = 8,817,057.39
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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.