Finding the Fourth Proportional to 13,370,627.84, 18,468,774.79 and 11,056,866.58
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Solution
The fourth proportional to 13,370,627.84, 18,468,774.79 and 11,056,866.58 is: 15,272,789.07
Step by Step Solution
- Step 1: Write the proportion equation
13,370,627.84 : 18,468,774.79 = 11,056,866.58 : x - Step 2: Convert to fraction form
13,370,627.84/18,468,774.79 = 11,056,866.58/x - Step 3: Cross multiply
13,370,627.84x = 18,468,774.79 × 11,056,866.58 - Step 4: Simplify right side
13,370,627.84x = 204,206,778,749,097.50 - Step 5: Solve for x
x = 204,206,778,749,097.50/13,370,627.84 - Step 6: Final answer
x = 15,272,789.07
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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.