Finding the Fourth Proportional to 7,303,730.70, 10,077,337.50 and 4,722,305.28
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Solution
The fourth proportional to 7,303,730.70, 10,077,337.50 and 4,722,305.28 is: 6,515,610.45
Step by Step Solution
- Step 1: Write the proportion equation
7,303,730.70 : 10,077,337.50 = 4,722,305.28 : x - Step 2: Convert to fraction form
7,303,730.70/10,077,337.50 = 4,722,305.28/x - Step 3: Cross multiply
7,303,730.70x = 10,077,337.50 × 4,722,305.28 - Step 4: Simplify right side
7,303,730.70x = 47,588,264,084,592 - Step 5: Solve for x
x = 47,588,264,084,592/7,303,730.70 - Step 6: Final answer
x = 6,515,610.45
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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.