Finding the Fourth Proportional to 28,743,425.86, 39,660,620.95 and 16,352,795.87
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Solution
The fourth proportional to 28,743,425.86, 39,660,620.95 and 16,352,795.87 is: 22,563,839.17
Step by Step Solution
- Step 1: Write the proportion equation
28,743,425.86 : 39,660,620.95 = 16,352,795.87 : x - Step 2: Convert to fraction form
28,743,425.86/39,660,620.95 = 16,352,795.87/x - Step 3: Cross multiply
28,743,425.86x = 39,660,620.95 × 16,352,795.87 - Step 4: Simplify right side
28,743,425.86x = 648,562,038,351,659.88 - Step 5: Solve for x
x = 648,562,038,351,659.88/28,743,425.86 - Step 6: Final answer
x = 22,563,839.17
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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.