Finding the Fourth Proportional to 14,208,106.65, 21,312,159.98 and 5,230,801.05
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Solution
The fourth proportional to 14,208,106.65, 21,312,159.98 and 5,230,801.05 is: 7,846,201.58
Step by Step Solution
- Step 1: Write the proportion equation
14,208,106.65 : 21,312,159.98 = 5,230,801.05 : x - Step 2: Convert to fraction form
14,208,106.65/21,312,159.98 = 5,230,801.05/x - Step 3: Cross multiply
14,208,106.65x = 21,312,159.98 × 5,230,801.05 - Step 4: Simplify right side
14,208,106.65x = 111,479,668,774,997.98 - Step 5: Solve for x
x = 111,479,668,774,997.98/14,208,106.65 - Step 6: Final answer
x = 7,846,201.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.