Finding the Fourth Proportional to 19,351,580.37, 29,032,432.08 and 7,221,149.76
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Solution
The fourth proportional to 19,351,580.37, 29,032,432.08 and 7,221,149.76 is: 10,833,613.38
Step by Step Solution
- Step 1: Write the proportion equation
19,351,580.37 : 29,032,432.08 = 7,221,149.76 : x - Step 2: Convert to fraction form
19,351,580.37/29,032,432.08 = 7,221,149.76/x - Step 3: Cross multiply
19,351,580.37x = 29,032,432.08 × 7,221,149.76 - Step 4: Simplify right side
19,351,580.37x = 209,647,539,946,708.28 - Step 5: Solve for x
x = 209,647,539,946,708.28/19,351,580.37 - Step 6: Final answer
x = 10,833,613.38
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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.