Finding the Fourth Proportional to 11,068,614.20, 16,602,921.30 and 8,829,126.20
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Solution
The fourth proportional to 11,068,614.20, 16,602,921.30 and 8,829,126.20 is: 13,243,689.30
Step by Step Solution
- Step 1: Write the proportion equation
11,068,614.20 : 16,602,921.30 = 8,829,126.20 : x - Step 2: Convert to fraction form
11,068,614.20/16,602,921.30 = 8,829,126.20/x - Step 3: Cross multiply
11,068,614.20x = 16,602,921.30 × 8,829,126.20 - Step 4: Simplify right side
11,068,614.20x = 146,589,287,446,368.06 - Step 5: Solve for x
x = 146,589,287,446,368.06/11,068,614.20 - Step 6: Final answer
x = 13,243,689.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.