Finding the Fourth Proportional to 19,903,953.51, 27,464,493.33 and 11,201,607.13
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Solution
The fourth proportional to 19,903,953.51, 27,464,493.33 and 11,201,607.13 is: 15,456,550.59
Step by Step Solution
- Step 1: Write the proportion equation
19,903,953.51 : 27,464,493.33 = 11,201,607.13 : x - Step 2: Convert to fraction form
19,903,953.51/27,464,493.33 = 11,201,607.13/x - Step 3: Cross multiply
19,903,953.51x = 27,464,493.33 × 11,201,607.13 - Step 4: Simplify right side
19,903,953.51x = 307,646,464,307,165.44 - Step 5: Solve for x
x = 307,646,464,307,165.44/19,903,953.51 - Step 6: Final answer
x = 15,456,550.59
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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.