Finding the Fourth Proportional to 48,220,887.08, 66,536,935.90 and 28,391,362.87
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Solution
The fourth proportional to 48,220,887.08, 66,536,935.90 and 28,391,362.87 is: 39,175,436.33
Step by Step Solution
- Step 1: Write the proportion equation
48,220,887.08 : 66,536,935.90 = 28,391,362.87 : x - Step 2: Convert to fraction form
48,220,887.08/66,536,935.90 = 28,391,362.87/x - Step 3: Cross multiply
48,220,887.08x = 66,536,935.90 × 28,391,362.87 - Step 4: Simplify right side
48,220,887.08x = 1,889,074,291,394,830 - Step 5: Solve for x
x = 1,889,074,291,394,830/48,220,887.08 - Step 6: Final answer
x = 39,175,436.33
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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.