Finding the Fourth Proportional to 11,668,700.50, 16,104,429.70 and 6,512,394.20
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Solution
The fourth proportional to 11,668,700.50, 16,104,429.70 and 6,512,394.20 is: 8,988,009.81
Step by Step Solution
- Step 1: Write the proportion equation
11,668,700.50 : 16,104,429.70 = 6,512,394.20 : x - Step 2: Convert to fraction form
11,668,700.50/16,104,429.70 = 6,512,394.20/x - Step 3: Cross multiply
11,668,700.50x = 16,104,429.70 × 6,512,394.20 - Step 4: Simplify right side
11,668,700.50x = 104,878,394,572,587.73 - Step 5: Solve for x
x = 104,878,394,572,587.73/11,668,700.50 - Step 6: Final answer
x = 8,988,009.81
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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.