Finding the Fourth Proportional to 10,226,215.44, 15,338,189.70 and 3,660,664.32
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Solution
The fourth proportional to 10,226,215.44, 15,338,189.70 and 3,660,664.32 is: 5,490,590.74
Step by Step Solution
- Step 1: Write the proportion equation
10,226,215.44 : 15,338,189.70 = 3,660,664.32 : x - Step 2: Convert to fraction form
10,226,215.44/15,338,189.70 = 3,660,664.32/x - Step 3: Cross multiply
10,226,215.44x = 15,338,189.70 × 3,660,664.32 - Step 4: Simplify right side
10,226,215.44x = 56,147,963,768,181.50 - Step 5: Solve for x
x = 56,147,963,768,181.50/10,226,215.44 - Step 6: Final answer
x = 5,490,590.74
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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.