Finding the Fourth Proportional to 11,277,774.19, 15,563,339.90 and 6,121,136.79
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Solution
The fourth proportional to 11,277,774.19, 15,563,339.90 and 6,121,136.79 is: 8,447,175.02
Step by Step Solution
- Step 1: Write the proportion equation
11,277,774.19 : 15,563,339.90 = 6,121,136.79 : x - Step 2: Convert to fraction form
11,277,774.19/15,563,339.90 = 6,121,136.79/x - Step 3: Cross multiply
11,277,774.19x = 15,563,339.90 × 6,121,136.79 - Step 4: Simplify right side
11,277,774.19x = 95,265,332,406,559.23 - Step 5: Solve for x
x = 95,265,332,406,559.23/11,277,774.19 - Step 6: Final answer
x = 8,447,175.02
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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.