Finding the Fourth Proportional to 19,646,018, 27,112,937.76 and 11,388,212.18
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Solution
The fourth proportional to 19,646,018, 27,112,937.76 and 11,388,212.18 is: 15,716,563.43
Step by Step Solution
- Step 1: Write the proportion equation
19,646,018 : 27,112,937.76 = 11,388,212.18 : x - Step 2: Convert to fraction form
19,646,018/27,112,937.76 = 11,388,212.18/x - Step 3: Cross multiply
19,646,018x = 27,112,937.76 × 11,388,212.18 - Step 4: Simplify right side
19,646,018x = 308,767,887,977,072.81 - Step 5: Solve for x
x = 308,767,887,977,072.81/19,646,018 - Step 6: Final answer
x = 15,716,563.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.