Finding the Fourth Proportional to 26,420,489.60, 39,593,409.60 and 19,543,395.20
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Solution
The fourth proportional to 26,420,489.60, 39,593,409.60 and 19,543,395.20 is: 29,287,483.42
Step by Step Solution
- Step 1: Write the proportion equation
26,420,489.60 : 39,593,409.60 = 19,543,395.20 : x - Step 2: Convert to fraction form
26,420,489.60/39,593,409.60 = 19,543,395.20/x - Step 3: Cross multiply
26,420,489.60x = 39,593,409.60 × 19,543,395.20 - Step 4: Simplify right side
26,420,489.60x = 773,789,651,128,273.88 - Step 5: Solve for x
x = 773,789,651,128,273.88/26,420,489.60 - Step 6: Final answer
x = 29,287,483.42
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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.