Finding the Fourth Proportional to 21,649,028.68, 29,875,421.56 and 11,725,664.50
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Solution
The fourth proportional to 21,649,028.68, 29,875,421.56 and 11,725,664.50 is: 16,181,288.09
Step by Step Solution
- Step 1: Write the proportion equation
21,649,028.68 : 29,875,421.56 = 11,725,664.50 : x - Step 2: Convert to fraction form
21,649,028.68/29,875,421.56 = 11,725,664.50/x - Step 3: Cross multiply
21,649,028.68x = 29,875,421.56 × 11,725,664.50 - Step 4: Simplify right side
21,649,028.68x = 350,309,169,904,623.94 - Step 5: Solve for x
x = 350,309,169,904,623.94/21,649,028.68 - Step 6: Final answer
x = 16,181,288.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.