Finding the Fourth Proportional to 16,515,781.76, 22,791,193.92 and 9,272,743.04
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Solution
The fourth proportional to 16,515,781.76, 22,791,193.92 and 9,272,743.04 is: 12,796,057.00
Step by Step Solution
- Step 1: Write the proportion equation
16,515,781.76 : 22,791,193.92 = 9,272,743.04 : x - Step 2: Convert to fraction form
16,515,781.76/22,791,193.92 = 9,272,743.04/x - Step 3: Cross multiply
16,515,781.76x = 22,791,193.92 × 9,272,743.04 - Step 4: Simplify right side
16,515,781.76x = 211,336,884,794,970.31 - Step 5: Solve for x
x = 211,336,884,794,970.31/16,515,781.76 - Step 6: Final answer
x = 12,796,057.00
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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.