Finding the Fourth Proportional to 7,422,045.10, 11,133,067.65 and 3,642,909.10
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Solution
The fourth proportional to 7,422,045.10, 11,133,067.65 and 3,642,909.10 is: 5,464,363.65
Step by Step Solution
- Step 1: Write the proportion equation
7,422,045.10 : 11,133,067.65 = 3,642,909.10 : x - Step 2: Convert to fraction form
7,422,045.10/11,133,067.65 = 3,642,909.10/x - Step 3: Cross multiply
7,422,045.10x = 11,133,067.65 × 3,642,909.10 - Step 4: Simplify right side
7,422,045.10x = 40,556,753,453,100.62 - Step 5: Solve for x
x = 40,556,753,453,100.62/7,422,045.10 - Step 6: Final answer
x = 5,464,363.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.