Finding the Fourth Proportional to 20,196,237.60, 30,291,403.95 and 5,817,806.10
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Solution
The fourth proportional to 20,196,237.60, 30,291,403.95 and 5,817,806.10 is: 8,725,858.66
Step by Step Solution
- Step 1: Write the proportion equation
20,196,237.60 : 30,291,403.95 = 5,817,806.10 : x - Step 2: Convert to fraction form
20,196,237.60/30,291,403.95 = 5,817,806.10/x - Step 3: Cross multiply
20,196,237.60x = 30,291,403.95 × 5,817,806.10 - Step 4: Simplify right side
20,196,237.60x = 176,229,514,677,874.09 - Step 5: Solve for x
x = 176,229,514,677,874.09/20,196,237.60 - Step 6: Final answer
x = 8,725,858.66
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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.