Finding the Fourth Proportional to 11,499,197.88, 15,868,828.44 and 6,342,547.08
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Solution
The fourth proportional to 11,499,197.88, 15,868,828.44 and 6,342,547.08 is: 8,752,679.32
Step by Step Solution
- Step 1: Write the proportion equation
11,499,197.88 : 15,868,828.44 = 6,342,547.08 : x - Step 2: Convert to fraction form
11,499,197.88/15,868,828.44 = 6,342,547.08/x - Step 3: Cross multiply
11,499,197.88x = 15,868,828.44 × 6,342,547.08 - Step 4: Simplify right side
11,499,197.88x = 100,648,791,485,142.95 - Step 5: Solve for x
x = 100,648,791,485,142.95/11,499,197.88 - Step 6: Final answer
x = 8,752,679.32
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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.