Finding the Fourth Proportional to 15,046,128.18, 20,763,305.55 and 8,851,573.75
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Solution
The fourth proportional to 15,046,128.18, 20,763,305.55 and 8,851,573.75 is: 12,214,965.08
Step by Step Solution
- Step 1: Write the proportion equation
15,046,128.18 : 20,763,305.55 = 8,851,573.75 : x - Step 2: Convert to fraction form
15,046,128.18/20,763,305.55 = 8,851,573.75/x - Step 3: Cross multiply
15,046,128.18x = 20,763,305.55 × 8,851,573.75 - Step 4: Simplify right side
15,046,128.18x = 183,787,930,369,609.31 - Step 5: Solve for x
x = 183,787,930,369,609.31/15,046,128.18 - Step 6: Final answer
x = 12,214,965.08
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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.