Finding the Fourth Proportional to 15,211,282.96, 22,817,755.48 and 3,851,830
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Solution
The fourth proportional to 15,211,282.96, 22,817,755.48 and 3,851,830 is: 5,777,955.44
Step by Step Solution
- Step 1: Write the proportion equation
15,211,282.96 : 22,817,755.48 = 3,851,830 : x - Step 2: Convert to fraction form
15,211,282.96/22,817,755.48 = 3,851,830/x - Step 3: Cross multiply
15,211,282.96x = 22,817,755.48 × 3,851,830 - Step 4: Simplify right side
15,211,282.96x = 87,890,115,090,528.41 - Step 5: Solve for x
x = 87,890,115,090,528.41/15,211,282.96 - Step 6: Final answer
x = 5,777,955.44
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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.