Finding the Fourth Proportional to 7,814,149.64, 11,719,335.18 and 2,134,403.72
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Solution
The fourth proportional to 7,814,149.64, 11,719,335.18 and 2,134,403.72 is: 3,201,089.53
Step by Step Solution
- Step 1: Write the proportion equation
7,814,149.64 : 11,719,335.18 = 2,134,403.72 : x - Step 2: Convert to fraction form
7,814,149.64/11,719,335.18 = 2,134,403.72/x - Step 3: Cross multiply
7,814,149.64x = 11,719,335.18 × 2,134,403.72 - Step 4: Simplify right side
7,814,149.64x = 25,013,792,604,118.87 - Step 5: Solve for x
x = 25,013,792,604,118.87/7,814,149.64 - Step 6: Final answer
x = 3,201,089.53
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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.