Finding the Fourth Proportional to 19,449,418.68, 26,841,814.02 and 10,749,289.68
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Solution
The fourth proportional to 19,449,418.68, 26,841,814.02 and 10,749,289.68 is: 14,834,913.02
Step by Step Solution
- Step 1: Write the proportion equation
19,449,418.68 : 26,841,814.02 = 10,749,289.68 : x - Step 2: Convert to fraction form
19,449,418.68/26,841,814.02 = 10,749,289.68/x - Step 3: Cross multiply
19,449,418.68x = 26,841,814.02 × 10,749,289.68 - Step 4: Simplify right side
19,449,418.68x = 288,530,434,437,665.31 - Step 5: Solve for x
x = 288,530,434,437,665.31/19,449,418.68 - Step 6: Final answer
x = 14,834,913.02
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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.