Finding the Fourth Proportional to 13,306,472.24, 19,961,860.80 and 5,215,058.24
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Solution
The fourth proportional to 13,306,472.24, 19,961,860.80 and 5,215,058.24 is: 7,823,430.94
Step by Step Solution
- Step 1: Write the proportion equation
13,306,472.24 : 19,961,860.80 = 5,215,058.24 : x - Step 2: Convert to fraction form
13,306,472.24/19,961,860.80 = 5,215,058.24/x - Step 3: Cross multiply
13,306,472.24x = 19,961,860.80 × 5,215,058.24 - Step 4: Simplify right side
13,306,472.24x = 104,102,266,650,773 - Step 5: Solve for x
x = 104,102,266,650,773/13,306,472.24 - Step 6: Final answer
x = 7,823,430.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.