Finding the Fourth Proportional to 14,273,420.25, 19,697,341.59 and 7,747,052.09
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Solution
The fourth proportional to 14,273,420.25, 19,697,341.59 and 7,747,052.09 is: 10,690,943.64
Step by Step Solution
- Step 1: Write the proportion equation
14,273,420.25 : 19,697,341.59 = 7,747,052.09 : x - Step 2: Convert to fraction form
14,273,420.25/19,697,341.59 = 7,747,052.09/x - Step 3: Cross multiply
14,273,420.25x = 19,697,341.59 × 7,747,052.09 - Step 4: Simplify right side
14,273,420.25x = 152,596,331,381,496.78 - Step 5: Solve for x
x = 152,596,331,381,496.78/14,273,420.25 - Step 6: Final answer
x = 10,690,943.64
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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.