Finding the Fourth Proportional to 18,542,740.52, 27,822,102.78 and 10,029,070.28
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Solution
The fourth proportional to 18,542,740.52, 27,822,102.78 and 10,029,070.28 is: 15,047,927.99
Step by Step Solution
- Step 1: Write the proportion equation
18,542,740.52 : 27,822,102.78 = 10,029,070.28 : x - Step 2: Convert to fraction form
18,542,740.52/27,822,102.78 = 10,029,070.28/x - Step 3: Cross multiply
18,542,740.52x = 27,822,102.78 × 10,029,070.28 - Step 4: Simplify right side
18,542,740.52x = 279,029,824,118,003.38 - Step 5: Solve for x
x = 279,029,824,118,003.38/18,542,740.52 - Step 6: Final answer
x = 15,047,927.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.