Finding the Fourth Proportional to 18,437,350.36, 25,453,099.40 and 13,470,214
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Solution
The fourth proportional to 18,437,350.36, 25,453,099.40 and 13,470,214 is: 18,595,876.80
Step by Step Solution
- Step 1: Write the proportion equation
18,437,350.36 : 25,453,099.40 = 13,470,214 : x - Step 2: Convert to fraction form
18,437,350.36/25,453,099.40 = 13,470,214/x - Step 3: Cross multiply
18,437,350.36x = 25,453,099.40 × 13,470,214 - Step 4: Simplify right side
18,437,350.36x = 342,858,695,881,271.56 - Step 5: Solve for x
x = 342,858,695,881,271.56/18,437,350.36 - Step 6: Final answer
x = 18,595,876.80
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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.