Finding the Fourth Proportional to 18,128,332.74, 27,185,617.35 and 5,994,156.90
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Solution
The fourth proportional to 18,128,332.74, 27,185,617.35 and 5,994,156.90 is: 8,988,959.89
Step by Step Solution
- Step 1: Write the proportion equation
18,128,332.74 : 27,185,617.35 = 5,994,156.90 : x - Step 2: Convert to fraction form
18,128,332.74/27,185,617.35 = 5,994,156.90/x - Step 3: Cross multiply
18,128,332.74x = 27,185,617.35 × 5,994,156.90 - Step 4: Simplify right side
18,128,332.74x = 162,954,855,819,262.22 - Step 5: Solve for x
x = 162,954,855,819,262.22/18,128,332.74 - Step 6: Final answer
x = 8,988,959.89
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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.