Finding the Fourth Proportional to 9,170,639.25, 12,642,143.99 and 6,408,752.01
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Solution
The fourth proportional to 9,170,639.25, 12,642,143.99 and 6,408,752.01 is: 8,834,756.60
Step by Step Solution
- Step 1: Write the proportion equation
9,170,639.25 : 12,642,143.99 = 6,408,752.01 : x - Step 2: Convert to fraction form
9,170,639.25/12,642,143.99 = 6,408,752.01/x - Step 3: Cross multiply
9,170,639.25x = 12,642,143.99 × 6,408,752.01 - Step 4: Simplify right side
9,170,639.25x = 81,020,365,674,578.16 - Step 5: Solve for x
x = 81,020,365,674,578.16/9,170,639.25 - Step 6: Final answer
x = 8,834,756.60
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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.