Finding the Fourth Proportional to 9,470,969.28, 14,202,037.16 and 4,920,794.80
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Solution
The fourth proportional to 9,470,969.28, 14,202,037.16 and 4,920,794.80 is: 7,378,897.40
Step by Step Solution
- Step 1: Write the proportion equation
9,470,969.28 : 14,202,037.16 = 4,920,794.80 : x - Step 2: Convert to fraction form
9,470,969.28/14,202,037.16 = 4,920,794.80/x - Step 3: Cross multiply
9,470,969.28x = 14,202,037.16 × 4,920,794.80 - Step 4: Simplify right side
9,470,969.28x = 69,885,310,606,334.77 - Step 5: Solve for x
x = 69,885,310,606,334.77/9,470,969.28 - Step 6: Final answer
x = 7,378,897.40
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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.