Finding the Fourth Proportional to 13,096,233.20, 19,644,349.80 and 12,352,215.80
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Solution
The fourth proportional to 13,096,233.20, 19,644,349.80 and 12,352,215.80 is: 18,528,323.70
Step by Step Solution
- Step 1: Write the proportion equation
13,096,233.20 : 19,644,349.80 = 12,352,215.80 : x - Step 2: Convert to fraction form
13,096,233.20/19,644,349.80 = 12,352,215.80/x - Step 3: Cross multiply
13,096,233.20x = 19,644,349.80 × 12,352,215.80 - Step 4: Simplify right side
13,096,233.20x = 242,651,247,980,286.88 - Step 5: Solve for x
x = 242,651,247,980,286.88/13,096,233.20 - Step 6: Final answer
x = 18,528,323.70
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1.5x scale
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.