Finding the Fourth Proportional to 14,529,323, 20,050,465.74 and 8,421,294.44
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Solution
The fourth proportional to 14,529,323, 20,050,465.74 and 8,421,294.44 is: 11,621,386.33
Step by Step Solution
- Step 1: Write the proportion equation
14,529,323 : 20,050,465.74 = 8,421,294.44 : x - Step 2: Convert to fraction form
14,529,323/20,050,465.74 = 8,421,294.44/x - Step 3: Cross multiply
14,529,323x = 20,050,465.74 × 8,421,294.44 - Step 4: Simplify right side
14,529,323x = 168,850,875,655,672.47 - Step 5: Solve for x
x = 168,850,875,655,672.47/14,529,323 - Step 6: Final answer
x = 11,621,386.33
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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.