Finding the Fourth Proportional to 14,272,754.97, 19,696,420.86 and 7,746,384.43
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Solution
The fourth proportional to 14,272,754.97, 19,696,420.86 and 7,746,384.43 is: 10,690,020.82
Step by Step Solution
- Step 1: Write the proportion equation
14,272,754.97 : 19,696,420.86 = 7,746,384.43 : x - Step 2: Convert to fraction form
14,272,754.97/19,696,420.86 = 7,746,384.43/x - Step 3: Cross multiply
14,272,754.97x = 19,696,420.86 × 7,746,384.43 - Step 4: Simplify right side
14,272,754.97x = 152,576,047,843,578.28 - Step 5: Solve for x
x = 152,576,047,843,578.28/14,272,754.97 - Step 6: Final answer
x = 10,690,020.82
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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.