Finding the Fourth Proportional to 14,273,399.72, 19,697,585.28 and 8,078,445.98
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Solution
The fourth proportional to 14,273,399.72, 19,697,585.28 and 8,078,445.98 is: 11,148,421.66
Step by Step Solution
- Step 1: Write the proportion equation
14,273,399.72 : 19,697,585.28 = 8,078,445.98 : x - Step 2: Convert to fraction form
14,273,399.72/19,697,585.28 = 8,078,445.98/x - Step 3: Cross multiply
14,273,399.72x = 19,697,585.28 × 8,078,445.98 - Step 4: Simplify right side
14,273,399.72x = 159,125,878,620,923.19 - Step 5: Solve for x
x = 159,125,878,620,923.19/14,273,399.72 - Step 6: Final answer
x = 11,148,421.66
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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.