Finding the Fourth Proportional to 15,014,376.84, 22,411,687.11 and 12,898,060.68
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Solution
The fourth proportional to 15,014,376.84, 22,411,687.11 and 12,898,060.68 is: 19,252,700.49
Step by Step Solution
- Step 1: Write the proportion equation
15,014,376.84 : 22,411,687.11 = 12,898,060.68 : x - Step 2: Convert to fraction form
15,014,376.84/22,411,687.11 = 12,898,060.68/x - Step 3: Cross multiply
15,014,376.84x = 22,411,687.11 × 12,898,060.68 - Step 4: Simplify right side
15,014,376.84x = 289,067,300,285,953.81 - Step 5: Solve for x
x = 289,067,300,285,953.81/15,014,376.84 - Step 6: Final answer
x = 19,252,700.49
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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.