Finding the Fourth Proportional to 39,903,544.24, 59,854,955.28 and 12,609,841.33
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Solution
The fourth proportional to 39,903,544.24, 59,854,955.28 and 12,609,841.33 is: 18,914,647.89
Step by Step Solution
- Step 1: Write the proportion equation
39,903,544.24 : 59,854,955.28 = 12,609,841.33 : x - Step 2: Convert to fraction form
39,903,544.24/59,854,955.28 = 12,609,841.33/x - Step 3: Cross multiply
39,903,544.24x = 59,854,955.28 × 12,609,841.33 - Step 4: Simplify right side
39,903,544.24x = 754,761,488,895,045.75 - Step 5: Solve for x
x = 754,761,488,895,045.75/39,903,544.24 - Step 6: Final answer
x = 18,914,647.89
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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.