Finding the Fourth Proportional to 9,811,289.72, 13,539,579.84 and 5,461,403.63
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Solution
The fourth proportional to 9,811,289.72, 13,539,579.84 and 5,461,403.63 is: 7,536,737.02
Step by Step Solution
- Step 1: Write the proportion equation
9,811,289.72 : 13,539,579.84 = 5,461,403.63 : x - Step 2: Convert to fraction form
9,811,289.72/13,539,579.84 = 5,461,403.63/x - Step 3: Cross multiply
9,811,289.72x = 13,539,579.84 × 5,461,403.63 - Step 4: Simplify right side
9,811,289.72x = 73,945,110,419,152.92 - Step 5: Solve for x
x = 73,945,110,419,152.92/9,811,289.72 - Step 6: Final answer
x = 7,536,737.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.