Finding the Fourth Proportional to 8,549,613.81, 11,798,238.52 and 4,878,463.67
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Solution
The fourth proportional to 8,549,613.81, 11,798,238.52 and 4,878,463.67 is: 6,732,149.46
Step by Step Solution
- Step 1: Write the proportion equation
8,549,613.81 : 11,798,238.52 = 4,878,463.67 : x - Step 2: Convert to fraction form
8,549,613.81/11,798,238.52 = 4,878,463.67/x - Step 3: Cross multiply
8,549,613.81x = 11,798,238.52 × 4,878,463.67 - Step 4: Simplify right side
8,549,613.81x = 57,557,277,986,907.22 - Step 5: Solve for x
x = 57,557,277,986,907.22/8,549,613.81 - Step 6: Final answer
x = 6,732,149.46
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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.