Finding the Fourth Proportional to 18,495,987.93, 27,750,143.40 and 6,201,167.86
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Solution
The fourth proportional to 18,495,987.93, 27,750,143.40 and 6,201,167.86 is: 9,303,817.56
Step by Step Solution
- Step 1: Write the proportion equation
18,495,987.93 : 27,750,143.40 = 6,201,167.86 : x - Step 2: Convert to fraction form
18,495,987.93/27,750,143.40 = 6,201,167.86/x - Step 3: Cross multiply
18,495,987.93x = 27,750,143.40 × 6,201,167.86 - Step 4: Simplify right side
18,495,987.93x = 172,083,297,373,904.41 - Step 5: Solve for x
x = 172,083,297,373,904.41/18,495,987.93 - Step 6: Final answer
x = 9,303,817.56
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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.