Finding the Fourth Proportional to 16,928,039.98, 25,388,664.99 and 8,288,417.98
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Solution
The fourth proportional to 16,928,039.98, 25,388,664.99 and 8,288,417.98 is: 12,430,964.70
Step by Step Solution
- Step 1: Write the proportion equation
16,928,039.98 : 25,388,664.99 = 8,288,417.98 : x - Step 2: Convert to fraction form
16,928,039.98/25,388,664.99 = 8,288,417.98/x - Step 3: Cross multiply
16,928,039.98x = 25,388,664.99 × 8,288,417.98 - Step 4: Simplify right side
16,928,039.98x = 210,431,867,391,312.53 - Step 5: Solve for x
x = 210,431,867,391,312.53/16,928,039.98 - Step 6: Final answer
x = 12,430,964.70
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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.