Finding the Fourth Proportional to 28,750,555.84, 39,661,443.84 and 17,139,938.08
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Solution
The fourth proportional to 28,750,555.84, 39,661,443.84 and 17,139,938.08 is: 23,644,575.62
Step by Step Solution
- Step 1: Write the proportion equation
28,750,555.84 : 39,661,443.84 = 17,139,938.08 : x - Step 2: Convert to fraction form
28,750,555.84/39,661,443.84 = 17,139,938.08/x - Step 3: Cross multiply
28,750,555.84x = 39,661,443.84 × 17,139,938.08 - Step 4: Simplify right side
28,750,555.84x = 679,794,691,580,997.38 - Step 5: Solve for x
x = 679,794,691,580,997.38/28,750,555.84 - Step 6: Final answer
x = 23,644,575.62
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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.