Finding the Fourth Proportional to 19,104,378.78, 26,360,540.08 and 11,266,349.79
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Solution
The fourth proportional to 19,104,378.78, 26,360,540.08 and 11,266,349.79 is: 15,545,497.11
Step by Step Solution
- Step 1: Write the proportion equation
19,104,378.78 : 26,360,540.08 = 11,266,349.79 : x - Step 2: Convert to fraction form
19,104,378.78/26,360,540.08 = 11,266,349.79/x - Step 3: Cross multiply
19,104,378.78x = 26,360,540.08 × 11,266,349.79 - Step 4: Simplify right side
19,104,378.78x = 296,987,065,194,594.56 - Step 5: Solve for x
x = 296,987,065,194,594.56/19,104,378.78 - Step 6: Final answer
x = 15,545,497.11
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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.