Finding the Fourth Proportional to 10,956,023.80, 16,402,542.90 and 6,704,495.80
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Solution
The fourth proportional to 10,956,023.80, 16,402,542.90 and 6,704,495.80 is: 10,037,471.80
Step by Step Solution
- Step 1: Write the proportion equation
10,956,023.80 : 16,402,542.90 = 6,704,495.80 : x - Step 2: Convert to fraction form
10,956,023.80/16,402,542.90 = 6,704,495.80/x - Step 3: Cross multiply
10,956,023.80x = 16,402,542.90 × 6,704,495.80 - Step 4: Simplify right side
10,956,023.80x = 109,970,779,982,369.81 - Step 5: Solve for x
x = 109,970,779,982,369.81/10,956,023.80 - Step 6: Final answer
x = 10,037,471.80
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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.