Finding the Fourth Proportional to 28,877,050.38, 39,850,329.99 and 15,824,822.97
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Solution
The fourth proportional to 28,877,050.38, 39,850,329.99 and 15,824,822.97 is: 21,838,255.95
Step by Step Solution
- Step 1: Write the proportion equation
28,877,050.38 : 39,850,329.99 = 15,824,822.97 : x - Step 2: Convert to fraction form
28,877,050.38/39,850,329.99 = 15,824,822.97/x - Step 3: Cross multiply
28,877,050.38x = 39,850,329.99 × 15,824,822.97 - Step 4: Simplify right side
28,877,050.38x = 630,624,417,109,456.12 - Step 5: Solve for x
x = 630,624,417,109,456.12/28,877,050.38 - Step 6: Final answer
x = 21,838,255.95
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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.