Finding the Fourth Proportional to 10,920,394.28, 15,070,132.67 and 6,025,616.08
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Solution
The fourth proportional to 10,920,394.28, 15,070,132.67 and 6,025,616.08 is: 8,315,343.88
Step by Step Solution
- Step 1: Write the proportion equation
10,920,394.28 : 15,070,132.67 = 6,025,616.08 : x - Step 2: Convert to fraction form
10,920,394.28/15,070,132.67 = 6,025,616.08/x - Step 3: Cross multiply
10,920,394.28x = 15,070,132.67 × 6,025,616.08 - Step 4: Simplify right side
10,920,394.28x = 90,806,833,766,696.62 - Step 5: Solve for x
x = 90,806,833,766,696.62/10,920,394.28 - Step 6: Final answer
x = 8,315,343.88
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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.