Finding the Fourth Proportional to 9,905,163.30, 14,857,744.95 and 4,866,315.30
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Solution
The fourth proportional to 9,905,163.30, 14,857,744.95 and 4,866,315.30 is: 7,299,472.95
Step by Step Solution
- Step 1: Write the proportion equation
9,905,163.30 : 14,857,744.95 = 4,866,315.30 : x - Step 2: Convert to fraction form
9,905,163.30/14,857,744.95 = 4,866,315.30/x - Step 3: Cross multiply
9,905,163.30x = 14,857,744.95 × 4,866,315.30 - Step 4: Simplify right side
9,905,163.30x = 72,302,471,573,682.73 - Step 5: Solve for x
x = 72,302,471,573,682.73/9,905,163.30 - Step 6: Final answer
x = 7,299,472.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.