Finding the Fourth Proportional to 26,969,748.30, 37,221,893.68 and 15,211,430.28
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Solution
The fourth proportional to 26,969,748.30, 37,221,893.68 and 15,211,430.28 is: 20,993,827.39
Step by Step Solution
- Step 1: Write the proportion equation
26,969,748.30 : 37,221,893.68 = 15,211,430.28 : x - Step 2: Convert to fraction form
26,969,748.30/37,221,893.68 = 15,211,430.28/x - Step 3: Cross multiply
26,969,748.30x = 37,221,893.68 × 15,211,430.28 - Step 4: Simplify right side
26,969,748.30x = 566,198,240,602,892.62 - Step 5: Solve for x
x = 566,198,240,602,892.62/26,969,748.30 - Step 6: Final answer
x = 20,993,827.39
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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.