Finding the Fourth Proportional to 10,992,303.80, 16,488,455.70 and 10,283,715.80
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Solution
The fourth proportional to 10,992,303.80, 16,488,455.70 and 10,283,715.80 is: 15,425,573.70
Step by Step Solution
- Step 1: Write the proportion equation
10,992,303.80 : 16,488,455.70 = 10,283,715.80 : x - Step 2: Convert to fraction form
10,992,303.80/16,488,455.70 = 10,283,715.80/x - Step 3: Cross multiply
10,992,303.80x = 16,488,455.70 × 10,283,715.80 - Step 4: Simplify right side
10,992,303.80x = 169,562,592,399,690.06 - Step 5: Solve for x
x = 169,562,592,399,690.06/10,992,303.80 - Step 6: Final answer
x = 15,425,573.70
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1.5x scale
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.