Finding the Fourth Proportional to 15,164,233.20, 22,746,349.80 and 13,652,578.80
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Solution
The fourth proportional to 15,164,233.20, 22,746,349.80 and 13,652,578.80 is: 20,478,868.20
Step by Step Solution
- Step 1: Write the proportion equation
15,164,233.20 : 22,746,349.80 = 13,652,578.80 : x - Step 2: Convert to fraction form
15,164,233.20/22,746,349.80 = 13,652,578.80/x - Step 3: Cross multiply
15,164,233.20x = 22,746,349.80 × 13,652,578.80 - Step 4: Simplify right side
15,164,233.20x = 310,546,333,056,864.25 - Step 5: Solve for x
x = 310,546,333,056,864.25/15,164,233.20 - Step 6: Final answer
x = 20,478,868.20
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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.