Finding the Fourth Proportional to 7,426,068.26, 11,128,826.59 and 5,360,257.62
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Solution
The fourth proportional to 7,426,068.26, 11,128,826.59 and 5,360,257.62 is: 8,032,969.19
Step by Step Solution
- Step 1: Write the proportion equation
7,426,068.26 : 11,128,826.59 = 5,360,257.62 : x - Step 2: Convert to fraction form
7,426,068.26/11,128,826.59 = 5,360,257.62/x - Step 3: Cross multiply
7,426,068.26x = 11,128,826.59 × 5,360,257.62 - Step 4: Simplify right side
7,426,068.26x = 59,653,377,517,305.48 - Step 5: Solve for x
x = 59,653,377,517,305.48/7,426,068.26 - Step 6: Final answer
x = 8,032,969.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.