Finding the Fourth Proportional to 19,405,559.36, 26,779,202.72 and 10,703,545.14
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Solution
The fourth proportional to 19,405,559.36, 26,779,202.72 and 10,703,545.14 is: 14,770,633.50
Step by Step Solution
- Step 1: Write the proportion equation
19,405,559.36 : 26,779,202.72 = 10,703,545.14 : x - Step 2: Convert to fraction form
19,405,559.36/26,779,202.72 = 10,703,545.14/x - Step 3: Cross multiply
19,405,559.36x = 26,779,202.72 × 10,703,545.14 - Step 4: Simplify right side
19,405,559.36x = 286,632,405,126,730.81 - Step 5: Solve for x
x = 286,632,405,126,730.81/19,405,559.36 - Step 6: Final answer
x = 14,770,633.50
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1.5x scale
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.