Finding the Fourth Proportional to 10,239,108.90, 15,352,721.36 and 4,847,714.06
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Solution
The fourth proportional to 10,239,108.90, 15,352,721.36 and 4,847,714.06 is: 7,268,757.85
Step by Step Solution
- Step 1: Write the proportion equation
10,239,108.90 : 15,352,721.36 = 4,847,714.06 : x - Step 2: Convert to fraction form
10,239,108.90/15,352,721.36 = 4,847,714.06/x - Step 3: Cross multiply
10,239,108.90x = 15,352,721.36 × 4,847,714.06 - Step 4: Simplify right side
10,239,108.90x = 74,425,603,196,134.31 - Step 5: Solve for x
x = 74,425,603,196,134.31/10,239,108.90 - Step 6: Final answer
x = 7,268,757.85
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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.