Finding the Fourth Proportional to 10,346,421.52, 14,276,767.68 and 5,995,428.40
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Solution
The fourth proportional to 10,346,421.52, 14,276,767.68 and 5,995,428.40 is: 8,272,941.35
Step by Step Solution
- Step 1: Write the proportion equation
10,346,421.52 : 14,276,767.68 = 5,995,428.40 : x - Step 2: Convert to fraction form
10,346,421.52/14,276,767.68 = 5,995,428.40/x - Step 3: Cross multiply
10,346,421.52x = 14,276,767.68 × 5,995,428.40 - Step 4: Simplify right side
10,346,421.52x = 85,595,338,408,874.11 - Step 5: Solve for x
x = 85,595,338,408,874.11/10,346,421.52 - Step 6: Final answer
x = 8,272,941.35
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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.