Finding the Fourth Proportional to 7,365,702.56, 10,165,180.40 and 4,465,215.68
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Solution
The fourth proportional to 7,365,702.56, 10,165,180.40 and 4,465,215.68 is: 6,162,307.33
Step by Step Solution
- Step 1: Write the proportion equation
7,365,702.56 : 10,165,180.40 = 4,465,215.68 : x - Step 2: Convert to fraction form
7,365,702.56/10,165,180.40 = 4,465,215.68/x - Step 3: Cross multiply
7,365,702.56x = 10,165,180.40 × 4,465,215.68 - Step 4: Simplify right side
7,365,702.56x = 45,389,722,838,956.69 - Step 5: Solve for x
x = 45,389,722,838,956.69/7,365,702.56 - Step 6: Final answer
x = 6,162,307.33
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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.