Finding the Fourth Proportional to 28,641,052.09, 39,523,483.50 and 16,250,878.84
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Solution
The fourth proportional to 28,641,052.09, 39,523,483.50 and 16,250,878.84 is: 22,425,549.86
Step by Step Solution
- Step 1: Write the proportion equation
28,641,052.09 : 39,523,483.50 = 16,250,878.84 : x - Step 2: Convert to fraction form
28,641,052.09/39,523,483.50 = 16,250,878.84/x - Step 3: Cross multiply
28,641,052.09x = 39,523,483.50 × 16,250,878.84 - Step 4: Simplify right side
28,641,052.09x = 642,291,341,693,239.12 - Step 5: Solve for x
x = 642,291,341,693,239.12/28,641,052.09 - Step 6: Final answer
x = 22,425,549.86
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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.