Finding the Fourth Proportional to 11,566,874.16, 15,961,937.47 and 6,339,768.53
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Solution
The fourth proportional to 11,566,874.16, 15,961,937.47 and 6,339,768.53 is: 8,748,689.35
Step by Step Solution
- Step 1: Write the proportion equation
11,566,874.16 : 15,961,937.47 = 6,339,768.53 : x - Step 2: Convert to fraction form
11,566,874.16/15,961,937.47 = 6,339,768.53/x - Step 3: Cross multiply
11,566,874.16x = 15,961,937.47 × 6,339,768.53 - Step 4: Simplify right side
11,566,874.16x = 101,194,988,754,474.72 - Step 5: Solve for x
x = 101,194,988,754,474.72/11,566,874.16 - Step 6: Final answer
x = 8,748,689.35
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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.