Finding the Fourth Proportional to 13,997,924, 19,317,135.40 and 7,559,396
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Solution
The fourth proportional to 13,997,924, 19,317,135.40 and 7,559,396 is: 10,431,966.63
Step by Step Solution
- Step 1: Write the proportion equation
13,997,924 : 19,317,135.40 = 7,559,396 : x - Step 2: Convert to fraction form
13,997,924/19,317,135.40 = 7,559,396/x - Step 3: Cross multiply
13,997,924x = 19,317,135.40 × 7,559,396 - Step 4: Simplify right side
13,997,924x = 146,025,876,074,218.38 - Step 5: Solve for x
x = 146,025,876,074,218.38/13,997,924 - Step 6: Final answer
x = 10,431,966.63
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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.