Finding the Fourth Proportional to 19,373,370, 26,729,930.52 and 13,486,406.64
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Solution
The fourth proportional to 19,373,370, 26,729,930.52 and 13,486,406.64 is: 18,607,537.69
Step by Step Solution
- Step 1: Write the proportion equation
19,373,370 : 26,729,930.52 = 13,486,406.64 : x - Step 2: Convert to fraction form
19,373,370/26,729,930.52 = 13,486,406.64/x - Step 3: Cross multiply
19,373,370x = 26,729,930.52 × 13,486,406.64 - Step 4: Simplify right side
19,373,370x = 360,490,712,451,666.69 - Step 5: Solve for x
x = 360,490,712,451,666.69/19,373,370 - Step 6: Final answer
x = 18,607,537.69
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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.