Finding the Fourth Proportional to 11,033,865.51, 15,226,495.74 and 6,387,847.53
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Solution
The fourth proportional to 11,033,865.51, 15,226,495.74 and 6,387,847.53 is: 8,815,091.42
Step by Step Solution
- Step 1: Write the proportion equation
11,033,865.51 : 15,226,495.74 = 6,387,847.53 : x - Step 2: Convert to fraction form
11,033,865.51/15,226,495.74 = 6,387,847.53/x - Step 3: Cross multiply
11,033,865.51x = 15,226,495.74 × 6,387,847.53 - Step 4: Simplify right side
11,033,865.51x = 97,264,533,203,314.53 - Step 5: Solve for x
x = 97,264,533,203,314.53/11,033,865.51 - Step 6: Final answer
x = 8,815,091.42
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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.