Finding the Fourth Proportional to 7,105,326.08, 9,793,605.12 and 5,293,829.12
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Solution
The fourth proportional to 7,105,326.08, 9,793,605.12 and 5,293,829.12 is: 7,296,733.66
Step by Step Solution
- Step 1: Write the proportion equation
7,105,326.08 : 9,793,605.12 = 5,293,829.12 : x - Step 2: Convert to fraction form
7,105,326.08/9,793,605.12 = 5,293,829.12/x - Step 3: Cross multiply
7,105,326.08x = 9,793,605.12 × 5,293,829.12 - Step 4: Simplify right side
7,105,326.08x = 51,845,671,974,037.09 - Step 5: Solve for x
x = 51,845,671,974,037.09/7,105,326.08 - Step 6: Final answer
x = 7,296,733.66
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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.