Finding the Fourth Proportional to 20,811,267.48, 31,227,664.99 and 15,101,079.28
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Solution
The fourth proportional to 20,811,267.48, 31,227,664.99 and 15,101,079.28 is: 22,659,429.33
Step by Step Solution
- Step 1: Write the proportion equation
20,811,267.48 : 31,227,664.99 = 15,101,079.28 : x - Step 2: Convert to fraction form
20,811,267.48/31,227,664.99 = 15,101,079.28/x - Step 3: Cross multiply
20,811,267.48x = 31,227,664.99 × 15,101,079.28 - Step 4: Simplify right side
20,811,267.48x = 471,571,444,831,418.69 - Step 5: Solve for x
x = 471,571,444,831,418.69/20,811,267.48 - Step 6: Final answer
x = 22,659,429.33
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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.