Finding the Fourth Proportional to 9,937,090.80, 14,905,636.20 and 8,342,767.80
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Solution
The fourth proportional to 9,937,090.80, 14,905,636.20 and 8,342,767.80 is: 12,514,151.70
Step by Step Solution
- Step 1: Write the proportion equation
9,937,090.80 : 14,905,636.20 = 8,342,767.80 : x - Step 2: Convert to fraction form
9,937,090.80/14,905,636.20 = 8,342,767.80/x - Step 3: Cross multiply
9,937,090.80x = 14,905,636.20 × 8,342,767.80 - Step 4: Simplify right side
9,937,090.80x = 124,354,261,727,874.34 - Step 5: Solve for x
x = 124,354,261,727,874.34/9,937,090.80 - Step 6: Final answer
x = 12,514,151.70
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1.5x scale
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.