Finding the Fourth Proportional to 34,638,762.72, 47,801,585.60 and 19,169,914.08
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Solution
The fourth proportional to 34,638,762.72, 47,801,585.60 and 19,169,914.08 is: 26,454,532.92
Step by Step Solution
- Step 1: Write the proportion equation
34,638,762.72 : 47,801,585.60 = 19,169,914.08 : x - Step 2: Convert to fraction form
34,638,762.72/47,801,585.60 = 19,169,914.08/x - Step 3: Cross multiply
34,638,762.72x = 47,801,585.60 × 19,169,914.08 - Step 4: Simplify right side
34,638,762.72x = 916,352,288,839,765.25 - Step 5: Solve for x
x = 916,352,288,839,765.25/34,638,762.72 - Step 6: Final answer
x = 26,454,532.92
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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.