Finding the Fourth Proportional to 10,977,819.84, 16,467,681.11 and 2,890,731.24
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Solution
The fourth proportional to 10,977,819.84, 16,467,681.11 and 2,890,731.24 is: 4,336,347.37
Step by Step Solution
- Step 1: Write the proportion equation
10,977,819.84 : 16,467,681.11 = 2,890,731.24 : x - Step 2: Convert to fraction form
10,977,819.84/16,467,681.11 = 2,890,731.24/x - Step 3: Cross multiply
10,977,819.84x = 16,467,681.11 × 2,890,731.24 - Step 4: Simplify right side
10,977,819.84x = 47,603,640,220,581.23 - Step 5: Solve for x
x = 47,603,640,220,581.23/10,977,819.84 - Step 6: Final answer
x = 4,336,347.37
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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.