Finding the Fourth Proportional to 14,364,865.11, 19,823,563.94 and 7,838,638.41
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Solution
The fourth proportional to 14,364,865.11, 19,823,563.94 and 7,838,638.41 is: 10,817,348.34
Step by Step Solution
- Step 1: Write the proportion equation
14,364,865.11 : 19,823,563.94 = 7,838,638.41 : x - Step 2: Convert to fraction form
14,364,865.11/19,823,563.94 = 7,838,638.41/x - Step 3: Cross multiply
14,364,865.11x = 19,823,563.94 × 7,838,638.41 - Step 4: Simplify right side
14,364,865.11x = 155,389,749,683,981.75 - Step 5: Solve for x
x = 155,389,749,683,981.75/14,364,865.11 - Step 6: Final answer
x = 10,817,348.34
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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.