Finding the Fourth Proportional to 10,442,901.26, 15,667,558.92 and 4,984,960.68
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Solution
The fourth proportional to 10,442,901.26, 15,667,558.92 and 4,984,960.68 is: 7,478,971.91
Step by Step Solution
- Step 1: Write the proportion equation
10,442,901.26 : 15,667,558.92 = 4,984,960.68 : x - Step 2: Convert to fraction form
10,442,901.26/15,667,558.92 = 4,984,960.68/x - Step 3: Cross multiply
10,442,901.26x = 15,667,558.92 × 4,984,960.68 - Step 4: Simplify right side
10,442,901.26x = 78,102,165,167,783.27 - Step 5: Solve for x
x = 78,102,165,167,783.27/10,442,901.26 - Step 6: Final answer
x = 7,478,971.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.