Finding the Fourth Proportional to 10,789,885.80, 16,184,828.70 and 2,811,709.80
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Solution
The fourth proportional to 10,789,885.80, 16,184,828.70 and 2,811,709.80 is: 4,217,564.70
Step by Step Solution
- Step 1: Write the proportion equation
10,789,885.80 : 16,184,828.70 = 2,811,709.80 : x - Step 2: Convert to fraction form
10,789,885.80/16,184,828.70 = 2,811,709.80/x - Step 3: Cross multiply
10,789,885.80x = 16,184,828.70 × 2,811,709.80 - Step 4: Simplify right side
10,789,885.80x = 45,507,041,467,111.26 - Step 5: Solve for x
x = 45,507,041,467,111.26/10,789,885.80 - Step 6: Final answer
x = 4,217,564.70
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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.