Finding the Fourth Proportional to 51,652,624.16, 71,283,845.14 and 28,447,745.24
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Solution
The fourth proportional to 51,652,624.16, 71,283,845.14 and 28,447,745.24 is: 39,259,663.94
Step by Step Solution
- Step 1: Write the proportion equation
51,652,624.16 : 71,283,845.14 = 28,447,745.24 : x - Step 2: Convert to fraction form
51,652,624.16/71,283,845.14 = 28,447,745.24/x - Step 3: Cross multiply
51,652,624.16x = 71,283,845.14 × 28,447,745.24 - Step 4: Simplify right side
51,652,624.16x = 2,027,864,666,270,332 - Step 5: Solve for x
x = 2,027,864,666,270,332/51,652,624.16 - Step 6: Final answer
x = 39,259,663.94
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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.