Finding the Fourth Proportional to 10,911,572.91, 15,063,135.57 and 6,326,221.23
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Solution
The fourth proportional to 10,911,572.91, 15,063,135.57 and 6,326,221.23 is: 8,733,179.79
Step by Step Solution
- Step 1: Write the proportion equation
10,911,572.91 : 15,063,135.57 = 6,326,221.23 : x - Step 2: Convert to fraction form
10,911,572.91/15,063,135.57 = 6,326,221.23/x - Step 3: Cross multiply
10,911,572.91x = 15,063,135.57 × 6,326,221.23 - Step 4: Simplify right side
10,911,572.91x = 95,292,728,033,302.16 - Step 5: Solve for x
x = 95,292,728,033,302.16/10,911,572.91 - Step 6: Final answer
x = 8,733,179.79
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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.