Finding the Fourth Proportional to 14,218,349.36, 19,621,878.46 and 8,337,166.16
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Solution
The fourth proportional to 14,218,349.36, 19,621,878.46 and 8,337,166.16 is: 11,505,615.52
Step by Step Solution
- Step 1: Write the proportion equation
14,218,349.36 : 19,621,878.46 = 8,337,166.16 : x - Step 2: Convert to fraction form
14,218,349.36/19,621,878.46 = 8,337,166.16/x - Step 3: Cross multiply
14,218,349.36x = 19,621,878.46 × 8,337,166.16 - Step 4: Simplify right side
14,218,349.36x = 163,590,860,973,392.59 - Step 5: Solve for x
x = 163,590,860,973,392.59/14,218,349.36 - Step 6: Final answer
x = 11,505,615.52
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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.