Finding the Fourth Proportional to 11,349,721.91, 15,662,994.15 and 6,193,366.40
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Solution
The fourth proportional to 11,349,721.91, 15,662,994.15 and 6,193,366.40 is: 8,547,051.85
Step by Step Solution
- Step 1: Write the proportion equation
11,349,721.91 : 15,662,994.15 = 6,193,366.40 : x - Step 2: Convert to fraction form
11,349,721.91/15,662,994.15 = 6,193,366.40/x - Step 3: Cross multiply
11,349,721.91x = 15,662,994.15 × 6,193,366.40 - Step 4: Simplify right side
11,349,721.91x = 97,006,661,613,691.58 - Step 5: Solve for x
x = 97,006,661,613,691.58/11,349,721.91 - Step 6: Final answer
x = 8,547,051.85
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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.