Finding the Fourth Proportional to 15,328,644.99, 22,895,251.57 and 13,867,447.51
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Solution
The fourth proportional to 15,328,644.99, 22,895,251.57 and 13,867,447.51 is: 20,712,770.08
Step by Step Solution
- Step 1: Write the proportion equation
15,328,644.99 : 22,895,251.57 = 13,867,447.51 : x - Step 2: Convert to fraction form
15,328,644.99/22,895,251.57 = 13,867,447.51/x - Step 3: Cross multiply
15,328,644.99x = 22,895,251.57 × 13,867,447.51 - Step 4: Simplify right side
15,328,644.99x = 317,498,699,375,220.06 - Step 5: Solve for x
x = 317,498,699,375,220.06/15,328,644.99 - Step 6: Final answer
x = 20,712,770.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.