Finding the Fourth Proportional to 22,888,894.50, 31,586,711.88 and 12,434,951.88
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Solution
The fourth proportional to 22,888,894.50, 31,586,711.88 and 12,434,951.88 is: 17,160,253.95
Step by Step Solution
- Step 1: Write the proportion equation
22,888,894.50 : 31,586,711.88 = 12,434,951.88 : x - Step 2: Convert to fraction form
22,888,894.50/31,586,711.88 = 12,434,951.88/x - Step 3: Cross multiply
22,888,894.50x = 31,586,711.88 × 12,434,951.88 - Step 4: Simplify right side
22,888,894.50x = 392,779,242,275,224.38 - Step 5: Solve for x
x = 392,779,242,275,224.38/22,888,894.50 - Step 6: Final answer
x = 17,160,253.95
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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.