Finding the Fourth Proportional to 15,888,073.61, 21,924,895.97 and 9,012,408.05
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Solution
The fourth proportional to 15,888,073.61, 21,924,895.97 and 9,012,408.05 is: 12,436,756.89
Step by Step Solution
- Step 1: Write the proportion equation
15,888,073.61 : 21,924,895.97 = 9,012,408.05 : x - Step 2: Convert to fraction form
15,888,073.61/21,924,895.97 = 9,012,408.05/x - Step 3: Cross multiply
15,888,073.61x = 21,924,895.97 × 9,012,408.05 - Step 4: Simplify right side
15,888,073.61x = 197,596,108,848,347.09 - Step 5: Solve for x
x = 197,596,108,848,347.09/15,888,073.61 - Step 6: Final answer
x = 12,436,756.89
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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.