Finding the Fourth Proportional to 7,138,352.24, 10,694,537.58 and 6,373,077.20
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Solution
The fourth proportional to 7,138,352.24, 10,694,537.58 and 6,373,077.20 is: 9,548,017.71
Step by Step Solution
- Step 1: Write the proportion equation
7,138,352.24 : 10,694,537.58 = 6,373,077.20 : x - Step 2: Convert to fraction form
7,138,352.24/10,694,537.58 = 6,373,077.20/x - Step 3: Cross multiply
7,138,352.24x = 10,694,537.58 × 6,373,077.20 - Step 4: Simplify right side
7,138,352.24x = 68,157,113,615,641.18 - Step 5: Solve for x
x = 68,157,113,615,641.18/7,138,352.24 - Step 6: Final answer
x = 9,548,017.71
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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.