Finding the Fourth Proportional to 28,518,277.67, 39,356,887.71 and 16,129,469.42
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Solution
The fourth proportional to 28,518,277.67, 39,356,887.71 and 16,129,469.42 is: 22,259,609.23
Step by Step Solution
- Step 1: Write the proportion equation
28,518,277.67 : 39,356,887.71 = 16,129,469.42 : x - Step 2: Convert to fraction form
28,518,277.67/39,356,887.71 = 16,129,469.42/x - Step 3: Cross multiply
28,518,277.67x = 39,356,887.71 × 16,129,469.42 - Step 4: Simplify right side
28,518,277.67x = 634,805,716,943,696.50 - Step 5: Solve for x
x = 634,805,716,943,696.50/28,518,277.67 - Step 6: Final answer
x = 22,259,609.23
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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.