Finding the Fourth Proportional to 16,546,321.74, 24,819,489.81 and 5,187,655.98
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Solution
The fourth proportional to 16,546,321.74, 24,819,489.81 and 5,187,655.98 is: 7,781,486.23
Step by Step Solution
- Step 1: Write the proportion equation
16,546,321.74 : 24,819,489.81 = 5,187,655.98 : x - Step 2: Convert to fraction form
16,546,321.74/24,819,489.81 = 5,187,655.98/x - Step 3: Cross multiply
16,546,321.74x = 24,819,489.81 × 5,187,655.98 - Step 4: Simplify right side
16,546,321.74x = 128,754,974,733,395.56 - Step 5: Solve for x
x = 128,754,974,733,395.56/16,546,321.74 - Step 6: Final answer
x = 7,781,486.23
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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.