Finding the Fourth Proportional to 14,689,859.19, 20,272,497.98 and 8,163,763.71
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Solution
The fourth proportional to 14,689,859.19, 20,272,497.98 and 8,163,763.71 is: 11,266,267.51
Step by Step Solution
- Step 1: Write the proportion equation
14,689,859.19 : 20,272,497.98 = 8,163,763.71 : x - Step 2: Convert to fraction form
14,689,859.19/20,272,497.98 = 8,163,763.71/x - Step 3: Cross multiply
14,689,859.19x = 20,272,497.98 × 8,163,763.71 - Step 4: Simplify right side
14,689,859.19x = 165,499,883,320,172.31 - Step 5: Solve for x
x = 165,499,883,320,172.31/14,689,859.19 - Step 6: Final answer
x = 11,266,267.51
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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.