Finding the Fourth Proportional to 12,748,599.66, 17,592,620.67 and 6,947,263.02
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Solution
The fourth proportional to 12,748,599.66, 17,592,620.67 and 6,947,263.02 is: 9,586,979.45
Step by Step Solution
- Step 1: Write the proportion equation
12,748,599.66 : 17,592,620.67 = 6,947,263.02 : x - Step 2: Convert to fraction form
12,748,599.66/17,592,620.67 = 6,947,263.02/x - Step 3: Cross multiply
12,748,599.66x = 17,592,620.67 × 6,947,263.02 - Step 4: Simplify right side
12,748,599.66x = 122,220,563,005,578.62 - Step 5: Solve for x
x = 122,220,563,005,578.62/12,748,599.66 - Step 6: Final answer
x = 9,586,979.45
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1.5x scale
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.