Finding the Fourth Proportional to 11,292,430.80, 16,929,124.23 and 4,897,867.17
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Solution
The fourth proportional to 11,292,430.80, 16,929,124.23 and 4,897,867.17 is: 7,342,670.79
Step by Step Solution
- Step 1: Write the proportion equation
11,292,430.80 : 16,929,124.23 = 4,897,867.17 : x - Step 2: Convert to fraction form
11,292,430.80/16,929,124.23 = 4,897,867.17/x - Step 3: Cross multiply
11,292,430.80x = 16,929,124.23 × 4,897,867.17 - Step 4: Simplify right side
11,292,430.80x = 82,916,601,782,968.53 - Step 5: Solve for x
x = 82,916,601,782,968.53/11,292,430.80 - Step 6: Final answer
x = 7,342,670.79
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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.