Finding the Fourth Proportional to 31,806,230.18, 47,682,020.64 and 11,053,972.06
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Solution
The fourth proportional to 31,806,230.18, 47,682,020.64 and 11,053,972.06 is: 16,571,461.65
Step by Step Solution
- Step 1: Write the proportion equation
31,806,230.18 : 47,682,020.64 = 11,053,972.06 : x - Step 2: Convert to fraction form
31,806,230.18/47,682,020.64 = 11,053,972.06/x - Step 3: Cross multiply
31,806,230.18x = 47,682,020.64 × 11,053,972.06 - Step 4: Simplify right side
31,806,230.18x = 527,075,723,625,223.31 - Step 5: Solve for x
x = 527,075,723,625,223.31/31,806,230.18 - Step 6: Final answer
x = 16,571,461.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.