Finding the Fourth Proportional to 11,227,129.68, 15,493,417.88 and 6,332,336.63
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Solution
The fourth proportional to 11,227,129.68, 15,493,417.88 and 6,332,336.63 is: 8,738,612.66
Step by Step Solution
- Step 1: Write the proportion equation
11,227,129.68 : 15,493,417.88 = 6,332,336.63 : x - Step 2: Convert to fraction form
11,227,129.68/15,493,417.88 = 6,332,336.63/x - Step 3: Cross multiply
11,227,129.68x = 15,493,417.88 × 6,332,336.63 - Step 4: Simplify right side
11,227,129.68x = 98,109,537,565,420.95 - Step 5: Solve for x
x = 98,109,537,565,420.95/11,227,129.68 - Step 6: Final answer
x = 8,738,612.66
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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.