Finding the Fourth Proportional to 17,556,368.80, 26,334,553.20 and 15,430,604.80
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Solution
The fourth proportional to 17,556,368.80, 26,334,553.20 and 15,430,604.80 is: 23,145,907.20
Step by Step Solution
- Step 1: Write the proportion equation
17,556,368.80 : 26,334,553.20 = 15,430,604.80 : x - Step 2: Convert to fraction form
17,556,368.80/26,334,553.20 = 15,430,604.80/x - Step 3: Cross multiply
17,556,368.80x = 26,334,553.20 × 15,430,604.80 - Step 4: Simplify right side
17,556,368.80x = 406,358,083,013,775.38 - Step 5: Solve for x
x = 406,358,083,013,775.38/17,556,368.80 - Step 6: Final answer
x = 23,145,907.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.