Finding the Fourth Proportional to 13,217,049.04, 18,239,842.10 and 7,416,259.80
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Solution
The fourth proportional to 13,217,049.04, 18,239,842.10 and 7,416,259.80 is: 10,234,614.95
Step by Step Solution
- Step 1: Write the proportion equation
13,217,049.04 : 18,239,842.10 = 7,416,259.80 : x - Step 2: Convert to fraction form
13,217,049.04/18,239,842.10 = 7,416,259.80/x - Step 3: Cross multiply
13,217,049.04x = 18,239,842.10 × 7,416,259.80 - Step 4: Simplify right side
13,217,049.04x = 135,271,407,724,577.59 - Step 5: Solve for x
x = 135,271,407,724,577.59/13,217,049.04 - Step 6: Final answer
x = 10,234,614.95
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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.