Finding the Fourth Proportional to 19,416,362.01, 29,116,973.25 and 7,279,209.14
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Solution
The fourth proportional to 19,416,362.01, 29,116,973.25 and 7,279,209.14 is: 10,915,975.79
Step by Step Solution
- Step 1: Write the proportion equation
19,416,362.01 : 29,116,973.25 = 7,279,209.14 : x - Step 2: Convert to fraction form
19,416,362.01/29,116,973.25 = 7,279,209.14/x - Step 3: Cross multiply
19,416,362.01x = 29,116,973.25 × 7,279,209.14 - Step 4: Simplify right side
19,416,362.01x = 211,948,537,664,950.62 - Step 5: Solve for x
x = 211,948,537,664,950.62/19,416,362.01 - Step 6: Final answer
x = 10,915,975.79
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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.