Finding the Fourth Proportional to 18,931,535.70, 26,127,594.99 and 10,985,828.46
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Solution
The fourth proportional to 18,931,535.70, 26,127,594.99 and 10,985,828.46 is: 15,161,647.80
Step by Step Solution
- Step 1: Write the proportion equation
18,931,535.70 : 26,127,594.99 = 10,985,828.46 : x - Step 2: Convert to fraction form
18,931,535.70/26,127,594.99 = 10,985,828.46/x - Step 3: Cross multiply
18,931,535.70x = 26,127,594.99 × 10,985,828.46 - Step 4: Simplify right side
18,931,535.70x = 287,033,276,632,495.44 - Step 5: Solve for x
x = 287,033,276,632,495.44/18,931,535.70 - Step 6: Final answer
x = 15,161,647.80
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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.