Finding the Fourth Proportional to 39,278,366.27, 54,210,741.42 and 22,768,818.08
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Solution
The fourth proportional to 39,278,366.27, 54,210,741.42 and 22,768,818.08 is: 31,424,792.49
Step by Step Solution
- Step 1: Write the proportion equation
39,278,366.27 : 54,210,741.42 = 22,768,818.08 : x - Step 2: Convert to fraction form
39,278,366.27/54,210,741.42 = 22,768,818.08/x - Step 3: Cross multiply
39,278,366.27x = 54,210,741.42 × 22,768,818.08 - Step 4: Simplify right side
39,278,366.27x = 1,234,314,509,373,900.75 - Step 5: Solve for x
x = 1,234,314,509,373,900.75/39,278,366.27 - Step 6: Final answer
x = 31,424,792.49
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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.