Finding the Fourth Proportional to 8,219,694.24, 12,334,412.23 and 4,579,471.02
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Solution
The fourth proportional to 8,219,694.24, 12,334,412.23 and 4,579,471.02 is: 6,871,920.26
Step by Step Solution
- Step 1: Write the proportion equation
8,219,694.24 : 12,334,412.23 = 4,579,471.02 : x - Step 2: Convert to fraction form
8,219,694.24/12,334,412.23 = 4,579,471.02/x - Step 3: Cross multiply
8,219,694.24x = 12,334,412.23 × 4,579,471.02 - Step 4: Simplify right side
8,219,694.24x = 56,485,083,356,018.57 - Step 5: Solve for x
x = 56,485,083,356,018.57/8,219,694.24 - Step 6: Final answer
x = 6,871,920.26
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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.