Finding the Fourth Proportional to 12,083,882.10, 18,125,823.15 and 7,306,307.70
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Solution
The fourth proportional to 12,083,882.10, 18,125,823.15 and 7,306,307.70 is: 10,959,461.55
Step by Step Solution
- Step 1: Write the proportion equation
12,083,882.10 : 18,125,823.15 = 7,306,307.70 : x - Step 2: Convert to fraction form
12,083,882.10/18,125,823.15 = 7,306,307.70/x - Step 3: Cross multiply
12,083,882.10x = 18,125,823.15 × 7,306,307.70 - Step 4: Simplify right side
12,083,882.10x = 132,432,841,249,683.25 - Step 5: Solve for x
x = 132,432,841,249,683.25/12,083,882.10 - Step 6: Final answer
x = 10,959,461.55
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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.