Finding the Fourth Proportional to 8,127,130.10, 12,190,306.35 and 2,735,251.70
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Solution
The fourth proportional to 8,127,130.10, 12,190,306.35 and 2,735,251.70 is: 4,102,746.70
Step by Step Solution
- Step 1: Write the proportion equation
8,127,130.10 : 12,190,306.35 = 2,735,251.70 : x - Step 2: Convert to fraction form
8,127,130.10/12,190,306.35 = 2,735,251.70/x - Step 3: Cross multiply
8,127,130.10x = 12,190,306.35 × 2,735,251.70 - Step 4: Simplify right side
8,127,130.10x = 33,343,556,167,358.30 - Step 5: Solve for x
x = 33,343,556,167,358.30/8,127,130.10 - Step 6: Final answer
x = 4,102,746.70
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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.