Finding the Fourth Proportional to 16,331,792.40, 24,497,688.60 and 7,238,246.40
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Solution
The fourth proportional to 16,331,792.40, 24,497,688.60 and 7,238,246.40 is: 10,857,369.60
Step by Step Solution
- Step 1: Write the proportion equation
16,331,792.40 : 24,497,688.60 = 7,238,246.40 : x - Step 2: Convert to fraction form
16,331,792.40/24,497,688.60 = 7,238,246.40/x - Step 3: Cross multiply
16,331,792.40x = 24,497,688.60 × 7,238,246.40 - Step 4: Simplify right side
16,331,792.40x = 177,320,306,317,271.06 - Step 5: Solve for x
x = 177,320,306,317,271.06/16,331,792.40 - Step 6: Final answer
x = 10,857,369.60
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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.