Finding the Fourth Proportional to 18,172,792.76, 27,259,426.58 and 6,042,256.21
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Solution
The fourth proportional to 18,172,792.76, 27,259,426.58 and 6,042,256.21 is: 9,063,463.26
Step by Step Solution
- Step 1: Write the proportion equation
18,172,792.76 : 27,259,426.58 = 6,042,256.21 : x - Step 2: Convert to fraction form
18,172,792.76/27,259,426.58 = 6,042,256.21/x - Step 3: Cross multiply
18,172,792.76x = 27,259,426.58 × 6,042,256.21 - Step 4: Simplify right side
18,172,792.76x = 164,708,439,534,044.06 - Step 5: Solve for x
x = 164,708,439,534,044.06/18,172,792.76 - Step 6: Final answer
x = 9,063,463.26
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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.