Finding the Fourth Proportional to 21,579,419.36, 32,341,228.24 and 16,145,435.14
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Solution
The fourth proportional to 21,579,419.36, 32,341,228.24 and 16,145,435.14 is: 24,197,277.70
Step by Step Solution
- Step 1: Write the proportion equation
21,579,419.36 : 32,341,228.24 = 16,145,435.14 : x - Step 2: Convert to fraction form
21,579,419.36/32,341,228.24 = 16,145,435.14/x - Step 3: Cross multiply
21,579,419.36x = 32,341,228.24 × 16,145,435.14 - Step 4: Simplify right side
21,579,419.36x = 522,163,202,896,856.38 - Step 5: Solve for x
x = 522,163,202,896,856.38/21,579,419.36 - Step 6: Final answer
x = 24,197,277.70
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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.