Finding the Fourth Proportional to 29,217,043.36, 40,320,374.16 and 15,987,014.56
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Solution
The fourth proportional to 29,217,043.36, 40,320,374.16 and 15,987,014.56 is: 22,062,547.56
Step by Step Solution
- Step 1: Write the proportion equation
29,217,043.36 : 40,320,374.16 = 15,987,014.56 : x - Step 2: Convert to fraction form
29,217,043.36/40,320,374.16 = 15,987,014.56/x - Step 3: Cross multiply
29,217,043.36x = 40,320,374.16 × 15,987,014.56 - Step 4: Simplify right side
29,217,043.36x = 644,602,408,760,567.75 - Step 5: Solve for x
x = 644,602,408,760,567.75/29,217,043.36 - Step 6: Final answer
x = 22,062,547.56
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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.