Finding the Fourth Proportional to 19,964,038.99, 27,551,649.58 and 11,259,035.41
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Solution
The fourth proportional to 19,964,038.99, 27,551,649.58 and 11,259,035.41 is: 15,538,188.36
Step by Step Solution
- Step 1: Write the proportion equation
19,964,038.99 : 27,551,649.58 = 11,259,035.41 : x - Step 2: Convert to fraction form
19,964,038.99/27,551,649.58 = 11,259,035.41/x - Step 3: Cross multiply
19,964,038.99x = 27,551,649.58 × 11,259,035.41 - Step 4: Simplify right side
19,964,038.99x = 310,204,998,225,131.62 - Step 5: Solve for x
x = 310,204,998,225,131.62/19,964,038.99 - Step 6: Final answer
x = 15,538,188.36
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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.