Finding the Fourth Proportional to 14,358,353.74, 19,814,589.76 and 7,832,125.42
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Solution
The fourth proportional to 14,358,353.74, 19,814,589.76 and 7,832,125.42 is: 10,808,366.68
Step by Step Solution
- Step 1: Write the proportion equation
14,358,353.74 : 19,814,589.76 = 7,832,125.42 : x - Step 2: Convert to fraction form
14,358,353.74/19,814,589.76 = 7,832,125.42/x - Step 3: Cross multiply
14,358,353.74x = 19,814,589.76 × 7,832,125.42 - Step 4: Simplify right side
14,358,353.74x = 155,190,352,146,167.72 - Step 5: Solve for x
x = 155,190,352,146,167.72/14,358,353.74 - Step 6: Final answer
x = 10,808,366.68
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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.