Finding the Fourth Proportional to 10,644,800.76, 14,689,830.96 and 5,750,022.96
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Solution
The fourth proportional to 10,644,800.76, 14,689,830.96 and 5,750,022.96 is: 7,935,034.88
Step by Step Solution
- Step 1: Write the proportion equation
10,644,800.76 : 14,689,830.96 = 5,750,022.96 : x - Step 2: Convert to fraction form
10,644,800.76/14,689,830.96 = 5,750,022.96/x - Step 3: Cross multiply
10,644,800.76x = 14,689,830.96 × 5,750,022.96 - Step 4: Simplify right side
10,644,800.76x = 84,466,865,298,518.84 - Step 5: Solve for x
x = 84,466,865,298,518.84/10,644,800.76 - Step 6: Final answer
x = 7,935,034.88
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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.