Finding the Fourth Proportional to 9,569,007.58, 13,205,549.34 and 5,218,331.95
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Solution
The fourth proportional to 9,569,007.58, 13,205,549.34 and 5,218,331.95 is: 7,201,471.99
Step by Step Solution
- Step 1: Write the proportion equation
9,569,007.58 : 13,205,549.34 = 5,218,331.95 : x - Step 2: Convert to fraction form
9,569,007.58/13,205,549.34 = 5,218,331.95/x - Step 3: Cross multiply
9,569,007.58x = 13,205,549.34 × 5,218,331.95 - Step 4: Simplify right side
9,569,007.58x = 68,910,940,038,223.41 - Step 5: Solve for x
x = 68,910,940,038,223.41/9,569,007.58 - Step 6: Final answer
x = 7,201,471.99
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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.