Finding the Fourth Proportional to 17,726,642.40, 26,571,301.20 and 6,939,775.20
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Solution
The fourth proportional to 17,726,642.40, 26,571,301.20 and 6,939,775.20 is: 10,402,356.69
Step by Step Solution
- Step 1: Write the proportion equation
17,726,642.40 : 26,571,301.20 = 6,939,775.20 : x - Step 2: Convert to fraction form
17,726,642.40/26,571,301.20 = 6,939,775.20/x - Step 3: Cross multiply
17,726,642.40x = 26,571,301.20 × 6,939,775.20 - Step 4: Simplify right side
17,726,642.40x = 184,398,857,099,490.25 - Step 5: Solve for x
x = 184,398,857,099,490.25/17,726,642.40 - Step 6: Final answer
x = 10,402,356.69
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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.