Finding the Fourth Proportional to 9,539,516.13, 13,163,337.39 and 6,448,764.33
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Solution
The fourth proportional to 9,539,516.13, 13,163,337.39 and 6,448,764.33 is: 8,898,487.04
Step by Step Solution
- Step 1: Write the proportion equation
9,539,516.13 : 13,163,337.39 = 6,448,764.33 : x - Step 2: Convert to fraction form
9,539,516.13/13,163,337.39 = 6,448,764.33/x - Step 3: Cross multiply
9,539,516.13x = 13,163,337.39 × 6,448,764.33 - Step 4: Simplify right side
9,539,516.13x = 84,887,260,624,387.30 - Step 5: Solve for x
x = 84,887,260,624,387.30/9,539,516.13 - Step 6: Final answer
x = 8,898,487.04
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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.