Finding the Fourth Proportional to 19,110,371.36, 26,374,915.72 and 11,272,097.75
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Solution
The fourth proportional to 19,110,371.36, 26,374,915.72 and 11,272,097.75 is: 15,557,030.40
Step by Step Solution
- Step 1: Write the proportion equation
19,110,371.36 : 26,374,915.72 = 11,272,097.75 : x - Step 2: Convert to fraction form
19,110,371.36/26,374,915.72 = 11,272,097.75/x - Step 3: Cross multiply
19,110,371.36x = 26,374,915.72 × 11,272,097.75 - Step 4: Simplify right side
19,110,371.36x = 297,300,628,142,728.94 - Step 5: Solve for x
x = 297,300,628,142,728.94/19,110,371.36 - Step 6: Final answer
x = 15,557,030.40
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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.