Finding the Fourth Proportional to 19,453,410.36, 29,190,209.15 and 8,668,202.75
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Solution
The fourth proportional to 19,453,410.36, 29,190,209.15 and 8,668,202.75 is: 13,006,801.71
Step by Step Solution
- Step 1: Write the proportion equation
19,453,410.36 : 29,190,209.15 = 8,668,202.75 : x - Step 2: Convert to fraction form
19,453,410.36/29,190,209.15 = 8,668,202.75/x - Step 3: Cross multiply
19,453,410.36x = 29,190,209.15 × 8,668,202.75 - Step 4: Simplify right side
19,453,410.36x = 253,026,651,212,287.88 - Step 5: Solve for x
x = 253,026,651,212,287.88/19,453,410.36 - Step 6: Final answer
x = 13,006,801.71
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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.