Finding the Fourth Proportional to 10,090,263.36, 13,924,432.80 and 6,168,709.92
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Solution
The fourth proportional to 10,090,263.36, 13,924,432.80 and 6,168,709.92 is: 8,512,739.82
Step by Step Solution
- Step 1: Write the proportion equation
10,090,263.36 : 13,924,432.80 = 6,168,709.92 : x - Step 2: Convert to fraction form
10,090,263.36/13,924,432.80 = 6,168,709.92/x - Step 3: Cross multiply
10,090,263.36x = 13,924,432.80 × 6,168,709.92 - Step 4: Simplify right side
10,090,263.36x = 85,895,786,743,733.38 - Step 5: Solve for x
x = 85,895,786,743,733.38/10,090,263.36 - Step 6: Final answer
x = 8,512,739.82
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1.5x scale
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.