Finding the Fourth Proportional to 39,858,811.98, 55,006,326.33 and 23,337,390.78
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Solution
The fourth proportional to 39,858,811.98, 55,006,326.33 and 23,337,390.78 is: 32,206,281.85
Step by Step Solution
- Step 1: Write the proportion equation
39,858,811.98 : 55,006,326.33 = 23,337,390.78 : x - Step 2: Convert to fraction form
39,858,811.98/55,006,326.33 = 23,337,390.78/x - Step 3: Cross multiply
39,858,811.98x = 55,006,326.33 × 23,337,390.78 - Step 4: Simplify right side
39,858,811.98x = 1,283,704,132,935,413.25 - Step 5: Solve for x
x = 1,283,704,132,935,413.25/39,858,811.98 - Step 6: Final answer
x = 32,206,281.85
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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.