Finding the Fourth Proportional to 12,714,864.84, 17,546,385.78 and 6,913,648.08
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Solution
The fourth proportional to 12,714,864.84, 17,546,385.78 and 6,913,648.08 is: 9,540,764.91
Step by Step Solution
- Step 1: Write the proportion equation
12,714,864.84 : 17,546,385.78 = 6,913,648.08 : x - Step 2: Convert to fraction form
12,714,864.84/17,546,385.78 = 6,913,648.08/x - Step 3: Cross multiply
12,714,864.84x = 17,546,385.78 × 6,913,648.08 - Step 4: Simplify right side
12,714,864.84x = 121,309,536,358,836.31 - Step 5: Solve for x
x = 121,309,536,358,836.31/12,714,864.84 - Step 6: Final answer
x = 9,540,764.91
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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.