Finding the Fourth Proportional to 22,460,764.80, 33,674,558.40 and 8,990,659.20
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Solution
The fourth proportional to 22,460,764.80, 33,674,558.40 and 8,990,659.20 is: 13,479,348.59
Step by Step Solution
- Step 1: Write the proportion equation
22,460,764.80 : 33,674,558.40 = 8,990,659.20 : x - Step 2: Convert to fraction form
22,460,764.80/33,674,558.40 = 8,990,659.20/x - Step 3: Cross multiply
22,460,764.80x = 33,674,558.40 × 8,990,659.20 - Step 4: Simplify right side
22,460,764.80x = 302,756,478,284,897.25 - Step 5: Solve for x
x = 302,756,478,284,897.25/22,460,764.80 - Step 6: Final answer
x = 13,479,348.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.