Finding the Fourth Proportional to 10,935,863.70, 16,403,735.88 and 4,458,913.62
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Solution
The fourth proportional to 10,935,863.70, 16,403,735.88 and 4,458,913.62 is: 6,688,346.10
Step by Step Solution
- Step 1: Write the proportion equation
10,935,863.70 : 16,403,735.88 = 4,458,913.62 : x - Step 2: Convert to fraction form
10,935,863.70/16,403,735.88 = 4,458,913.62/x - Step 3: Cross multiply
10,935,863.70x = 16,403,735.88 × 4,458,913.62 - Step 4: Simplify right side
10,935,863.70x = 73,142,841,334,214.69 - Step 5: Solve for x
x = 73,142,841,334,214.69/10,935,863.70 - Step 6: Final answer
x = 6,688,346.10
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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.