Finding the Fourth Proportional to 19,579,898.00, 27,018,675.16 and 11,320,490.21
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Solution
The fourth proportional to 19,579,898.00, 27,018,675.16 and 11,320,490.21 is: 15,621,360.61
Step by Step Solution
- Step 1: Write the proportion equation
19,579,898.00 : 27,018,675.16 = 11,320,490.21 : x - Step 2: Convert to fraction form
19,579,898.00/27,018,675.16 = 11,320,490.21/x - Step 3: Cross multiply
19,579,898.00x = 27,018,675.16 × 11,320,490.21 - Step 4: Simplify right side
19,579,898.00x = 305,864,647,472,555.56 - Step 5: Solve for x
x = 305,864,647,472,555.56/19,579,898.00 - Step 6: Final answer
x = 15,621,360.61
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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.