Finding the Fourth Proportional to 32,389,828.80, 48,584,743.20 and 13,214,212.80
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Solution
The fourth proportional to 32,389,828.80, 48,584,743.20 and 13,214,212.80 is: 19,821,319.20
Step by Step Solution
- Step 1: Write the proportion equation
32,389,828.80 : 48,584,743.20 = 13,214,212.80 : x - Step 2: Convert to fraction form
32,389,828.80/48,584,743.20 = 13,214,212.80/x - Step 3: Cross multiply
32,389,828.80x = 48,584,743.20 × 13,214,212.80 - Step 4: Simplify right side
32,389,828.80x = 642,009,135,478,153 - Step 5: Solve for x
x = 642,009,135,478,153/32,389,828.80 - Step 6: Final answer
x = 19,821,319.20
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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.