Finding the Fourth Proportional to 23,289,907.77, 32,140,204.48 and 13,506,160.97
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Solution
The fourth proportional to 23,289,907.77, 32,140,204.48 and 13,506,160.97 is: 18,638,578.55
Step by Step Solution
- Step 1: Write the proportion equation
23,289,907.77 : 32,140,204.48 = 13,506,160.97 : x - Step 2: Convert to fraction form
23,289,907.77/32,140,204.48 = 13,506,160.97/x - Step 3: Cross multiply
23,289,907.77x = 32,140,204.48 × 13,506,160.97 - Step 4: Simplify right side
23,289,907.77x = 434,090,775,412,828.38 - Step 5: Solve for x
x = 434,090,775,412,828.38/23,289,907.77 - Step 6: Final answer
x = 18,638,578.55
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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.