Finding the Fourth Proportional to 14,273,421.75, 19,697,343.66 and 7,747,053.59
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Solution
The fourth proportional to 14,273,421.75, 19,697,343.66 and 7,747,053.59 is: 10,690,945.71
Step by Step Solution
- Step 1: Write the proportion equation
14,273,421.75 : 19,697,343.66 = 7,747,053.59 : x - Step 2: Convert to fraction form
14,273,421.75/19,697,343.66 = 7,747,053.59/x - Step 3: Cross multiply
14,273,421.75x = 19,697,343.66 × 7,747,053.59 - Step 4: Simplify right side
14,273,421.75x = 152,596,376,963,910.09 - Step 5: Solve for x
x = 152,596,376,963,910.09/14,273,421.75 - Step 6: Final answer
x = 10,690,945.71
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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.