Finding the Fourth Proportional to 17,420,230.16, 26,128,655.82 and 5,289,798.68
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Solution
The fourth proportional to 17,420,230.16, 26,128,655.82 and 5,289,798.68 is: 7,934,185.01
Step by Step Solution
- Step 1: Write the proportion equation
17,420,230.16 : 26,128,655.82 = 5,289,798.68 : x - Step 2: Convert to fraction form
17,420,230.16/26,128,655.82 = 5,289,798.68/x - Step 3: Cross multiply
17,420,230.16x = 26,128,655.82 × 5,289,798.68 - Step 4: Simplify right side
17,420,230.16x = 138,215,329,066,810.31 - Step 5: Solve for x
x = 138,215,329,066,810.31/17,420,230.16 - Step 6: Final answer
x = 7,934,185.01
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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.