Finding the Fourth Proportional to 19,713,908.80, 29,570,863.20 and 8,352,881.20
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Solution
The fourth proportional to 19,713,908.80, 29,570,863.20 and 8,352,881.20 is: 12,529,321.80
Step by Step Solution
- Step 1: Write the proportion equation
19,713,908.80 : 29,570,863.20 = 8,352,881.20 : x - Step 2: Convert to fraction form
19,713,908.80/29,570,863.20 = 8,352,881.20/x - Step 3: Cross multiply
19,713,908.80x = 29,570,863.20 × 8,352,881.20 - Step 4: Simplify right side
19,713,908.80x = 247,001,907,291,051.84 - Step 5: Solve for x
x = 247,001,907,291,051.84/19,713,908.80 - Step 6: Final answer
x = 12,529,321.80
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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.