Finding the Fourth Proportional to 28,950,439.37, 43,427,055.68 and 9,519,235.18
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Solution
The fourth proportional to 28,950,439.37, 43,427,055.68 and 9,519,235.18 is: 14,279,311.99
Step by Step Solution
- Step 1: Write the proportion equation
28,950,439.37 : 43,427,055.68 = 9,519,235.18 : x - Step 2: Convert to fraction form
28,950,439.37/43,427,055.68 = 9,519,235.18/x - Step 3: Cross multiply
28,950,439.37x = 43,427,055.68 × 9,519,235.18 - Step 4: Simplify right side
28,950,439.37x = 413,392,355,928,143.38 - Step 5: Solve for x
x = 413,392,355,928,143.38/28,950,439.37 - Step 6: Final answer
x = 14,279,311.99
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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.