Finding the Fourth Proportional to 7,862,708.12, 10,850,514.99 and 4,424,949.17
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Solution
The fourth proportional to 7,862,708.12, 10,850,514.99 and 4,424,949.17 is: 6,106,417.35
Step by Step Solution
- Step 1: Write the proportion equation
7,862,708.12 : 10,850,514.99 = 4,424,949.17 : x - Step 2: Convert to fraction form
7,862,708.12/10,850,514.99 = 4,424,949.17/x - Step 3: Cross multiply
7,862,708.12x = 10,850,514.99 × 4,424,949.17 - Step 4: Simplify right side
7,862,708.12x = 48,012,977,299,073.05 - Step 5: Solve for x
x = 48,012,977,299,073.05/7,862,708.12 - Step 6: Final answer
x = 6,106,417.35
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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.