Finding the Fourth Proportional to 16,005,272.58, 22,087,274.13 and 8,663,104.26
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Solution
The fourth proportional to 16,005,272.58, 22,087,274.13 and 8,663,104.26 is: 11,955,082.78
Step by Step Solution
- Step 1: Write the proportion equation
16,005,272.58 : 22,087,274.13 = 8,663,104.26 : x - Step 2: Convert to fraction form
16,005,272.58/22,087,274.13 = 8,663,104.26/x - Step 3: Cross multiply
16,005,272.58x = 22,087,274.13 × 8,663,104.26 - Step 4: Simplify right side
16,005,272.58x = 191,344,358,607,390.78 - Step 5: Solve for x
x = 191,344,358,607,390.78/16,005,272.58 - Step 6: Final answer
x = 11,955,082.78
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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.