Finding the Fourth Proportional to 9,545,043.88, 13,172,457.03 and 5,415,248.99
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Solution
The fourth proportional to 9,545,043.88, 13,172,457.03 and 5,415,248.99 is: 7,473,211.81
Step by Step Solution
- Step 1: Write the proportion equation
9,545,043.88 : 13,172,457.03 = 5,415,248.99 : x - Step 2: Convert to fraction form
9,545,043.88/13,172,457.03 = 5,415,248.99/x - Step 3: Cross multiply
9,545,043.88x = 13,172,457.03 × 5,415,248.99 - Step 4: Simplify right side
9,545,043.88x = 71,332,134,640,149.84 - Step 5: Solve for x
x = 71,332,134,640,149.84/9,545,043.88 - Step 6: Final answer
x = 7,473,211.81
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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.