Finding the Fourth Proportional to 19,321,715.08, 26,664,024.99 and 10,620,779.32
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Solution
The fourth proportional to 19,321,715.08, 26,664,024.99 and 10,620,779.32 is: 14,656,707.44
Step by Step Solution
- Step 1: Write the proportion equation
19,321,715.08 : 26,664,024.99 = 10,620,779.32 : x - Step 2: Convert to fraction form
19,321,715.08/26,664,024.99 = 10,620,779.32/x - Step 3: Cross multiply
19,321,715.08x = 26,664,024.99 × 10,620,779.32 - Step 4: Simplify right side
19,321,715.08x = 283,192,725,201,755.19 - Step 5: Solve for x
x = 283,192,725,201,755.19/19,321,715.08 - Step 6: Final answer
x = 14,656,707.44
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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.