Finding the Fourth Proportional to 14,408,776.45, 19,884,268.35 and 7,882,265.74
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Solution
The fourth proportional to 14,408,776.45, 19,884,268.35 and 7,882,265.74 is: 10,877,612.52
Step by Step Solution
- Step 1: Write the proportion equation
14,408,776.45 : 19,884,268.35 = 7,882,265.74 : x - Step 2: Convert to fraction form
14,408,776.45/19,884,268.35 = 7,882,265.74/x - Step 3: Cross multiply
14,408,776.45x = 19,884,268.35 × 7,882,265.74 - Step 4: Simplify right side
14,408,776.45x = 156,733,087,180,171.34 - Step 5: Solve for x
x = 156,733,087,180,171.34/14,408,776.45 - Step 6: Final answer
x = 10,877,612.52
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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.