Finding the Fourth Proportional to 7,201,947.96, 10,791,878.09 and 4,893,501.09
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Solution
The fourth proportional to 7,201,947.96, 10,791,878.09 and 4,893,501.09 is: 7,332,747.67
Step by Step Solution
- Step 1: Write the proportion equation
7,201,947.96 : 10,791,878.09 = 4,893,501.09 : x - Step 2: Convert to fraction form
7,201,947.96/10,791,878.09 = 4,893,501.09/x - Step 3: Cross multiply
7,201,947.96x = 10,791,878.09 × 4,893,501.09 - Step 4: Simplify right side
7,201,947.96x = 52,810,067,142,602.73 - Step 5: Solve for x
x = 52,810,067,142,602.73/7,201,947.96 - Step 6: Final answer
x = 7,332,747.67
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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.