Finding the Fourth Proportional to 13,260,439.23, 19,890,664.36 and 5,965,378.08
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Solution
The fourth proportional to 13,260,439.23, 19,890,664.36 and 5,965,378.08 is: 8,948,069.60
Step by Step Solution
- Step 1: Write the proportion equation
13,260,439.23 : 19,890,664.36 = 5,965,378.08 : x - Step 2: Convert to fraction form
13,260,439.23/19,890,664.36 = 5,965,378.08/x - Step 3: Cross multiply
13,260,439.23x = 19,890,664.36 × 5,965,378.08 - Step 4: Simplify right side
13,260,439.23x = 118,655,333,080,277.80 - Step 5: Solve for x
x = 118,655,333,080,277.80/13,260,439.23 - Step 6: Final answer
x = 8,948,069.60
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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.