Finding the Fourth Proportional to 26,207,278.92, 36,168,749.64 and 15,756,714
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Solution
The fourth proportional to 26,207,278.92, 36,168,749.64 and 15,756,714 is: 21,745,891.50
Step by Step Solution
- Step 1: Write the proportion equation
26,207,278.92 : 36,168,749.64 = 15,756,714 : x - Step 2: Convert to fraction form
26,207,278.92/36,168,749.64 = 15,756,714/x - Step 3: Cross multiply
26,207,278.92x = 36,168,749.64 × 15,756,714 - Step 4: Simplify right side
26,207,278.92x = 569,900,643,815,083 - Step 5: Solve for x
x = 569,900,643,815,083/26,207,278.92 - Step 6: Final answer
x = 21,745,891.50
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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.