Finding the Fourth Proportional to 8,129,178.91, 11,221,422.92 and 6,097,897.63
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Solution
The fourth proportional to 8,129,178.91, 11,221,422.92 and 6,097,897.63 is: 8,417,466.14
Step by Step Solution
- Step 1: Write the proportion equation
8,129,178.91 : 11,221,422.92 = 6,097,897.63 : x - Step 2: Convert to fraction form
8,129,178.91/11,221,422.92 = 6,097,897.63/x - Step 3: Cross multiply
8,129,178.91x = 11,221,422.92 × 6,097,897.63 - Step 4: Simplify right side
8,129,178.91x = 68,427,088,198,606.19 - Step 5: Solve for x
x = 68,427,088,198,606.19/8,129,178.91 - Step 6: Final answer
x = 8,417,466.14
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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.