Finding the Fourth Proportional to 14,273,400.72, 19,697,586.66 and 8,078,446.98
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Solution
The fourth proportional to 14,273,400.72, 19,697,586.66 and 8,078,446.98 is: 11,148,423.04
Step by Step Solution
- Step 1: Write the proportion equation
14,273,400.72 : 19,697,586.66 = 8,078,446.98 : x - Step 2: Convert to fraction form
14,273,400.72/19,697,586.66 = 8,078,446.98/x - Step 3: Cross multiply
14,273,400.72x = 19,697,586.66 × 8,078,446.98 - Step 4: Simplify right side
14,273,400.72x = 159,125,909,466,765.28 - Step 5: Solve for x
x = 159,125,909,466,765.28/14,273,400.72 - Step 6: Final answer
x = 11,148,423.04
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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.