Finding the Fourth Proportional to 14,874,862.17, 22,212,125.73 and 12,147,819.45
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Solution
The fourth proportional to 14,874,862.17, 22,212,125.73 and 12,147,819.45 is: 18,139,925.59
Step by Step Solution
- Step 1: Write the proportion equation
14,874,862.17 : 22,212,125.73 = 12,147,819.45 : x - Step 2: Convert to fraction form
14,874,862.17/22,212,125.73 = 12,147,819.45/x - Step 3: Cross multiply
14,874,862.17x = 22,212,125.73 × 12,147,819.45 - Step 4: Simplify right side
14,874,862.17x = 269,828,892,968,739.44 - Step 5: Solve for x
x = 269,828,892,968,739.44/14,874,862.17 - Step 6: Final answer
x = 18,139,925.59
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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.