Finding the Fourth Proportional to 28,750,563.84, 39,661,454.88 and 17,139,946.08
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Solution
The fourth proportional to 28,750,563.84, 39,661,454.88 and 17,139,946.08 is: 23,644,586.66
Step by Step Solution
- Step 1: Write the proportion equation
28,750,563.84 : 39,661,454.88 = 17,139,946.08 : x - Step 2: Convert to fraction form
28,750,563.84/39,661,454.88 = 17,139,946.08/x - Step 3: Cross multiply
28,750,563.84x = 39,661,454.88 × 17,139,946.08 - Step 4: Simplify right side
28,750,563.84x = 679,795,198,097,552.88 - Step 5: Solve for x
x = 679,795,198,097,552.88/28,750,563.84 - Step 6: Final answer
x = 23,644,586.66
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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.