Finding the Fourth Proportional to 62,750,828.88, 86,605,570.44 and 38,318,636.88
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Solution
The fourth proportional to 62,750,828.88, 86,605,570.44 and 38,318,636.88 is: 52,885,475.22
Step by Step Solution
- Step 1: Write the proportion equation
62,750,828.88 : 86,605,570.44 = 38,318,636.88 : x - Step 2: Convert to fraction form
62,750,828.88/86,605,570.44 = 38,318,636.88/x - Step 3: Cross multiply
62,750,828.88x = 86,605,570.44 × 38,318,636.88 - Step 4: Simplify right side
62,750,828.88x = 3,318,607,405,475,622 - Step 5: Solve for x
x = 3,318,607,405,475,622/62,750,828.88 - Step 6: Final answer
x = 52,885,475.22
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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.