Finding the Fourth Proportional to 10,197,541.60, 15,311,388.12 and 6,806,952.88
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Solution
The fourth proportional to 10,197,541.60, 15,311,388.12 and 6,806,952.88 is: 10,220,492.50
Step by Step Solution
- Step 1: Write the proportion equation
10,197,541.60 : 15,311,388.12 = 6,806,952.88 : x - Step 2: Convert to fraction form
10,197,541.60/15,311,388.12 = 6,806,952.88/x - Step 3: Cross multiply
10,197,541.60x = 15,311,388.12 × 6,806,952.88 - Step 4: Simplify right side
10,197,541.60x = 104,223,897,396,427.25 - Step 5: Solve for x
x = 104,223,897,396,427.25/10,197,541.60 - Step 6: Final answer
x = 10,220,492.50
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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.