Finding the Fourth Proportional to 7,572,400.96, 11,361,919.20 and 3,977,335.84
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Solution
The fourth proportional to 7,572,400.96, 11,361,919.20 and 3,977,335.84 is: 5,967,746.38
Step by Step Solution
- Step 1: Write the proportion equation
7,572,400.96 : 11,361,919.20 = 3,977,335.84 : x - Step 2: Convert to fraction form
7,572,400.96/11,361,919.20 = 3,977,335.84/x - Step 3: Cross multiply
7,572,400.96x = 11,361,919.20 × 3,977,335.84 - Step 4: Simplify right side
7,572,400.96x = 45,190,168,445,344.12 - Step 5: Solve for x
x = 45,190,168,445,344.12/7,572,400.96 - Step 6: Final answer
x = 5,967,746.38
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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.