Finding the Fourth Proportional to 28,446,001.08, 39,255,584.85 and 15,393,258.66
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Solution
The fourth proportional to 28,446,001.08, 39,255,584.85 and 15,393,258.66 is: 21,242,752.88
Step by Step Solution
- Step 1: Write the proportion equation
28,446,001.08 : 39,255,584.85 = 15,393,258.66 : x - Step 2: Convert to fraction form
28,446,001.08/39,255,584.85 = 15,393,258.66/x - Step 3: Cross multiply
28,446,001.08x = 39,255,584.85 × 15,393,258.66 - Step 4: Simplify right side
28,446,001.08x = 604,271,371,445,627.38 - Step 5: Solve for x
x = 604,271,371,445,627.38/28,446,001.08 - Step 6: Final answer
x = 21,242,752.88
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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.