Finding the Fourth Proportional to 8,877,898.69, 13,278,378.02 and 5,225,925.12
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Solution
The fourth proportional to 8,877,898.69, 13,278,378.02 and 5,225,925.12 is: 7,816,242.52
Step by Step Solution
- Step 1: Write the proportion equation
8,877,898.69 : 13,278,378.02 = 5,225,925.12 : x - Step 2: Convert to fraction form
8,877,898.69/13,278,378.02 = 5,225,925.12/x - Step 3: Cross multiply
8,877,898.69x = 13,278,378.02 × 5,225,925.12 - Step 4: Simplify right side
8,877,898.69x = 69,391,809,223,691.06 - Step 5: Solve for x
x = 69,391,809,223,691.06/8,877,898.69 - Step 6: Final answer
x = 7,816,242.52
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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.